Library of Alexandria (Oversized) [Oversize Cards] Gatecrash Promos Set: Premium Deck Series: Slivers

Set: Premium Deck Series: Slivers Type: Legendary Creature — Sliver Mutant Mythic Cost: {W}{U}{B}{R}{G} {3}: Search your library for a Sliver card

but how could that be

of strong men

Imaginary Friend (When this creature enters the battlefield

Set: Pro Tour Promos Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

Library of Alexandria (Oversized) [Oversize Cards] Gatecrash Promos Set: Premium Deck Series: SliversSet: Oversize Cards Rarity: Rare Tap to add 1 colorless mana to your mana pool or draw a card from your library; you may use the card drawing ability only if you have exactly seven cards in your hand.