Amy Rose is a mythic Legendary Creature — Hedgehog Warrior card from Secret Lair Drop (SLD), collector number 2083. Current market price: $1.41, TCGplayer market prices via Scryfall.
Haste Whenever Amy Rose attacks, attach up to one target Equipment to her. Then up to one other target attacking creature gets +X/+0 until end of turn, where X is Amy Rose's power.