Beat Knight
BB
Creature - Knight
First Strike, Fear
Whenever you have any poison counters, sacrifice Beat Knight.
2/2
Asps Antidote
2B
Sorcery
Target player loses two poison counters
Come to Terms
2R
Sorcery
Deal target player X damage, where X is equal to the number of poison counters that player has. Remove all poison counters from that player.
Draw a card.
Manic
2U
Instant
Draw a card for each poison counter you have.
Yellow Asp
1G
Creature - Snake
Trample
Whenever Yellow Asp deals combat damage to a player, that player recieves a poison counter.
X is equal to the amount of poison counters all players have.
1+X/1
Switcharoo
3G
Instant
You and target player switch the amount of poison counters you each have.
Med Web
WW
Enchantment
When Med Web comes into play, remove all poison counters from all players and put them on Med Web
When Med Web leaves play, return all poison counters to their owners.
Toxic Link
2G
Enchantment
2: All players recieve a poison counter
Mad Max
B
Creature -
Whenever Mad Max deals damage, target player loses a poison counter.
1/1
Sting Fire
4RR
Sorcery
Until end of turn, whenever you would deal damage to a player, instead give them a poison counter for each damage dealt.
Complexity
2W
Enchantment
Remove a poison counter from target player: your opponent gains 5 life.
Remove a poison counter from target opponent: Gain 5 life
Two-Headed Viper
1GG
Creature - Snake
Whenever Two-Headed Viper deals combat damage to a player, that player receives two poison counters.
2/2
Beacon of Casey
3WW
Instant
Target player receives 5 poison counters, their life total is reset to 20.