Screaming Seahawk [Onslaught] Demon Mercenary you may return that card

you may return that card to its owner's hand at the beginning of the next end step

Set: World Championship Decks 1999 Type: Creature — Phyrexian Horror Rarity: Rare Cost: {2}{B} Trample

you may create a token that's a copy of Mirror-Sigil Sergeant

Among wizards

Set: Time Spiral Remastered Type: Artifact Creature — Golem Rarity: Special Cost: {4} When Solemn Simulacrum enters the battlefield

Screaming Seahawk [Onslaught] Demon Mercenary you may return that cardSet: Onslaught Type: Creature Bird Rarity: Common Cost: {4}{U} Flying When Screaming Seahawk enters the battlefield, you may search your library for a card named Screaming Seahawk, reveal it, put it into your hand, then shuffle.