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'{T}: Add {C}. ({C} represents colorless mana.)
{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.
'Whenever Jerren enters or another nontoken Human you control dies, you lose 1 life and create a 1/1 white Human creature token. {2}: Target Human you control gains lifelink until...
'Enchant creature
You control enchanted creature.
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
'{T}: Add {C}. ({C} represents colorless mana.)
{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.
'This artifact enters tapped.
{T}: Choose a color of a card in your graveyard. Add one mana of that color.
'Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
'Target player draws X cards and loses X life, where X is the number of artifacts you control.
'Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
'{T}: Add {C}. ({C} represents colorless mana.)
{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.
'Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
'Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
'As long as Corrupted Key is tapped, creatures you control have menace and deathtouch.