Constricting Sliver [Commander Masters] Mutant Shaman tap enchanted creature and put

tap enchanted creature and put X sleep counters on it

With "Exit: The Game"

Set: Odyssey Type: Legendary Creature — Human Nomad Rarity: Rare Cost: {1}{W}{W} Whenever Pianna

Challenge 11

Set: Zendikar Promos Type: Creature — Elf Warrior Rarity: Rare Cost: {G}{G} If Nissa's Chosen would die

Constricting Sliver [Commander Masters] Mutant Shaman tap enchanted creature and putSet: Commander Masters Type: Creature Sliver Rarity: Uncommon Cost: {5}{W} Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creature leaves the battlefield." Slivers are often seen toying with enemies they capture, not out of cruelty, but to fully learn their physical capabilities.