100 cards.

Flying commander: gives each player a rad counter on enter or attack, then puts +1/+1 counters on your team when nonland cards are milled.

Gives two rad counters on enter, then taps to reanimate any creature card milled this turn as your 3/3 green Mutant.

Draws when a Zombie or Mutant with altered power dies, and sacrifices creatures to add a +1/+1 counter plus flying.

Vigilant body that gives two rad counters on enter and, once each turn nonland cards are milled, draws a card and grows itself.

Investigates on combat damage for extra Clues, and every Clue you sacrifice puts a +1/+1 counter on a creature.

Menace beater that stacks +1/+1 counters as your creatures die, then dumps rad counters on each opponent equal to its power when it dies.

Pumps your other Zombies and Mutants by his counter count, with undying so he returns bigger after dying.

Evasive attacker spreading rad counters, and once a turn it turns milled nonland cards into that many 2/2 Zombie Mutant tokens.

Vigilance and reach blocker that returns on death as a Forest aura tapping for three mana of one color plus two rad counters.

Enters with two +1/+1 counters and doubles them each upkeep up to power 16, otherwise trims down for big lifegain.

Enters with X +1/+1 counters and destroys any number of artifacts or enchantments with total mana value X or less.

Warded enrage beater that gains three rad and three +1/+1 counters when damaged, and turns radiation loss into lifegain.

Landfall gives two rad counters, and it taps to reanimate any land milled this turn onto the battlefield tapped.

Evolve grows it as bigger creatures enter, and each time it evolves it makes a token copy of itself.

Trampler that is indestructible while attacking and proliferates twice on enter or attack, doubling your counter growth.

Menace trampler that destroys a target permanent on enter and again when you pay to make it monstrous with four +1/+1 counters.

On combat damage, draws if the attacker has a +1/+1 counter, otherwise gives it one, so your creatures always net value.

Landfall makes Clues for steady card draw, and sacrificing each Clue puts a +1/+1 counter on it.

Flier that seeds two rad counters on a clean opponent via combat damage, then proliferates on every hit after.

Enters as a 5/5 flier whose +1/+1 counters absorb damage, converting each removed counter into a rad counter for every player.

Evasive attacker that gives rad counters on combat damage and returns from your graveyard when an opponent mills a nonland card.

Gives ward 1 to all your counter creatures and taps to put a +1/+1 counter on a creature that entered this turn.

Deathtouch attacker dealing four rad counters on combat damage, and you gain 1 life whenever any player mills a nonland card.

Costs 1 less per counter among players and permanents, landing as a huge trampler once your counters pile up.

Warded body that gives a player four rad counters on enter and is unblockable while the defender has any rad counter.

Taps to mill every player, and once each turn you may cast a spell from among the cards you milled this turn.

Menace body that gives every creature card in your graveyard scavenge, turning milled creatures into +1/+1 counters.

Doubles every +1/+1 counter placed on your creatures, a core engine for the counters theme.

Adds one extra of every counter put on your artifacts and creatures, and one extra to any counters you get.

Proliferate with storm, copying itself for each earlier spell this turn to balloon your +1/+1 and rad counters.

Destroys any target nonland permanent, then proliferates to grow your existing counters.

Gives your counter permanents hexproof and indestructible, prevents all damage to them this turn, then proliferates.

Instant that sets all your creatures to base power and toughness X/X, a flexible alpha-strike pump.

Draws X cards at instant speed, then gives you half X rad counters rounded up.

Draws a card for each of your +1/+1 counter creatures and gives them indestructible, strong against board wipes.

Destroys target artifact or creature and stops it from being regenerated.

Scalable board wipe: each creature gets -2X/-2X and each player gets X rad counters.

Pick one or more modes to destroy a target artifact, creature, enchantment, land, and planeswalker.

Find returns up to two creatures from your graveyard; Finality instead adds two +1/+1 counters then wipes with -4/-4.

Fetches two basics, one onto the battlefield tapped and one to hand, ramping and fixing colors.

Searches for a Plains, Island, Swamp, or Mountain card onto the battlefield tapped, grabbing your typed dual lands.

Straightforward refill, drawing three cards.

Searches for a basic land onto the battlefield tapped for early ramp and fixing.

Equipment granting trample and, on combat damage, putting that many +1/+1 counters on the equipped creature for a fast snowball.

Equipment giving +3/+0 and intimidate, and taxing the defending player with two rad counters per spell after it attacks.

Flying Vehicle that makes a +1/+1 counter Alien token on enter and proliferates each time it attacks.

Taps for any color, and pays {3} to put X +1/+1 counters on a creature where X is your Bobblehead count.

Taps for one mana of any color in your commander's identity, premier two-mana fixing.

Puts a -1/-1 counter on a creature on enter, then taps repeatedly to proliferate your counters.

Taps for two colorless, the strongest accelerant in the deck.

Mana rock adding colorless, or green or blue for 1 damage to you.

Mana rock adding colorless, or blue or black for 1 damage to you.

Mana rock adding colorless, or black or green for 1 damage to you.

Choose Brotherhood for a big upkeep draw engine, or Enclave to blast attackers with double rad counters.

Saga that seeds rad counters, makes Zombie tokens equal to total rad, then puts two +1/+1 counters on your Zombies and Mutants.

Saga that steals a creature, adds a +1/+1 counter and Mutant type, then draws cards equal to your greatest Mutant power.

Enchants a player so they mill again each end step equal to cards milled that turn, doubling your self-mill or burying a foe.

Proliferates every time you cast a spell, steadily growing all your +1/+1 and rad counters.

Doubles every +1/+1 counter placed on your creatures.

Draws a card whenever a uniquely named nontoken creature you control enters, a strong repeatable draw engine.

Adds one extra to every batch of +1/+1 counters placed on your creatures.

May enter tapped for two rad counters, taps for colorless, and draws for {5} that costs {1} less per rad counter you have.

Pays 1 generic and taps to add one green and one blue.

Pays 1 generic and taps to add one black and one green.

Pays 1 generic and taps to add one blue and one black.

Taps for blue or black, entering untapped if you control an Island or a Swamp.

Taps for any color a land an opponent controls could produce, flexible fixing.

Island Swamp dual entering tapped, taps for blue or black, and cycles for 2.

Taps for green or blue, entering untapped if you control a Forest or an Island.

Taps for colorless and pays 1 to move a counter from one of your permanents onto another.

Island Swamp dual entering untapped if you control two or more basics, taps for blue or black.

Enters tapped and scries 1, then taps for blue or black.

Enters tapped and scries 1, then taps for black or green.

Enters tapped and scries 1, then taps for green or blue.

Taps for black or green, entering untapped if you control a Swamp or a Forest.

Taps for colorless, or basic landcycles for 1 to fetch a basic to hand.

Taps for any color in your commander's identity, perfect fixing.

Sacrifices to fetch a basic onto the battlefield tapped, fixing colors and triggering landfall.

Enters tapped, returns a creature from your graveyard to the top of your library, taps for black.

Tri-land entering tapped that taps for black, green, or blue.

Enters tapped, taps for commander colors, and scries 1 when used to cast a creature sharing a type with your commander.

Taps for colorless, or blue or black while you control a Swamp.

Taps for colorless, or black or green while you control a Swamp.

Taps for two colorless, but only while you control five or more lands.

Sacrifices to fetch a basic onto the battlefield tapped, fixing colors and triggering landfall.

Basic land tapping for green.

Basic land tapping for blue.

Basic land tapping for black.