Sliver Overlord [Premium Deck Series: Slivers] Elf Warrior Spend this mana only to

Spend this mana only to cast a creature spell of the chosen type

Whenever a creature enters the battlefield under an opponent's control

Set: Legends Type: Legendary Land Rarity: Uncommon {T}: Add {R}

Set: Saviors of Kamigawa Type: Sorcery — Arcane Rarity: Rare Cost: {5}{B} Target opponent chooses a number

Sliver Overlord [Premium Deck Series: Slivers] Elf Warrior Spend this mana only toSet: 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, and put it into your hand. Then shuffle your library. {3}: Gain control of target Sliver. (This effect lasts indefinitely.) The end of evolution.