Aura Shards [Mystery Booster] Elf Warrior sign it and shuffle it

sign it and shuffle it into target player's library

0: Discard all the cards in your hand

Set: Throne of Eldraine Prerelease Promos Type: Legendary Creature — Elf Noble Rarity: Rare Cost: {B}{B}{B} Whenever Ayara

Set: Aether Revolt Prerelease Promos Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Draw cards equal to the greatest power among creatures you control

Search its owner's graveyard

Aura Shards [Mystery Booster] Elf Warrior sign it and shuffle itSet: Mystery Booster Type: Enchantment Rarity: Uncommon Cost: {1}{G}{W} Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment. Gaea forged her soldiers into self wielding weapons that struck down all impurities.