Sliver Overlord [Secret Lair Drop Series] Vedalken Wizard you may return that card

you may return that card to the battlefield under your control

Set: Ravnica: City of Guilds Type: Sorcery Rarity: Rare Cost: {1}{G} Return up to three target land cards from your graveyard to your hand

Set: Alpha Edition Type: Creature — Serpent Rarity: Common Cost: {5}{U} Sea Serpent can't attack unless defending player controls an Island

Thus the volume you hold was written

Sliver Overlord [Secret Lair Drop Series] Vedalken Wizard you may return that cardSet: Secret Lair Drop Series 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.