Arachne, Psionic Weaver (Extended Art) [Marvel's Spider-Man] Sliver Army Cosmium is the tangible essence

Cosmium is the tangible essence of Chimil's power

Set: Secret Lair Drop Series Type: Creature — Squirrel Rarity: Rare Cost: {1}{G}{G} Squirrel Mob gets +1/+1 for each other Squirrel on the battlefield

Set: Commander 2017 Type: Creature — Vampire Shaman Rarity: Uncommon Cost: {1}{B}{B} Whenever Pawn of Ulamog or another nontoken creature you control dies

they get a number of poison counters equal to the difference

Arachne, Psionic Weaver (Extended Art) [Marvel's Spider-Man] Sliver Army Cosmium is the tangible essenceSet: Marvel's Spider Man Type: Legendary Creature Spider Human Hero Rarity: Rare Cost: {2}{W} Web slinging {W} (You may cast this spell for {W} if you also return a tapped creature you control to its owner's hand.) As Arachne enters, look at target opponent's hand, then choose a noncreature card type. Spells of the chosen type cost {1} more to cast.