Sliver Overlord [Premium Deck Series: Slivers]Set: Premium Deck Series: Slivers Type: Legendary Creature Sliver Mutant Rarity: Mythic Cost: {W}{U}{B}{R}{G} {3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle. {3}: Gain control of target Sliver. (This effect lasts indefinitely.) The end of evolution.

Set: Friday Night Magic 2007 Type: Instant Rarity: Rare Cost: {1}{W}{W} Target player sacrifices an attacking creature

Set: World Championships 2007 Type: Psychic Rarity: Rare

but its speaker is

Pay 1 life: Wall of Blood gets +1/+1 until end of turn

Set: Eighth Edition Type: Sorcery Rarity: Rare Cost: {7}{B}{B} Destroy all creatures you don't control

Set: Commander 2013 Type: Creature — Phyrexian Zombie Assassin Rarity: Rare Cost: {1}{B}{B} {T}

Set: Magic 2011 Type: Creature — Sphinx Rarity: Rare Cost: {2}{U}{U} Flying

Set: Sun & Moon: Crimson Invasion Type: Water Rarity: Promo Retreat cost: Colorless

Set: EX: Emerald Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Set: XY: Steam Siege Type: Dragon Rarity: Ultra Rare Retreat cost: 0

Set: World Championships 2016 Type: Water Rarity: Uncommon

Set: XY: Ancient Origins Type: Supporter Rarity: Promo