Karn, Legacy Reforged (Foil Etched) [March of the Machine: The Aftermath] FAB066 Slivers you control have devoid

Slivers you control have devoid and annihilator 1

a player puts the top card of their library into their graveyard

(Its mana symbols remain unchanged

Set: Duels of the Planeswalkers Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

Whenever you cast a Cat spell

Karn, Legacy Reforged (Foil Etched) [March of the Machine: The Aftermath] FAB066 Slivers you control have devoidSet: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: Mythic Cost: {5} Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add C for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.