Sliver Hivelord [Magic 2015] Squid Set: Legends Type: World Enchantment

Set: Legends Type: World Enchantment Rarity: Rare Cost: {3}{B} Whenever a player casts a spell

{T}: Add {W} or {B}

Sacrifice the creature at the beginning of the next end step

if you control twenty or more creatures

Set: Dominaria Prerelease Promos Type: Legendary Creature — Elf Druid Rarity: Rare Cost: {2}{G} Whenever another Elf enters the battlefield under your control

Sliver Hivelord [Magic 2015] Squid Set: Legends Type: World EnchantmentSet: Magic 2015 Type: Legendary Creature Sliver Rarity: Mythic Cost: {W}{U}{B}{R}{G} Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.) "This is the source, the line unbroken since the calamity that brought such monsters to our shores." Hastric, Thunian scout