Siren's Call [Alpha Edition]

Siren's Call [Alpha Edition]Set: Alpha Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.

You gain 2 life for each creature destroyed this way

you may change "target black spell" to "target blue spell

then put all cards exiled with Knowledge Vault into their owner's hand

Set: Unhinged Type: Creature — Ape Rarity: Rare Cost: {5}{G}{G}{G} Trample

When Sidisi

{T}: Add {C}{C}{C}

except it's a 4/4 black Zombie

Set: Junior Super Series Type: Land Rarity: Rare At the beginning of the end step

It ignores such insignificant forces as time

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack

Grand Cenobite

Set: Battle for Zendikar Prerelease Promos Type: Legendary Planeswalker — Kiora Rarity: Mythic Cost: {2}{G}{U} +1: Untap up to one target creature and up to one target land