Amy Rose {2}{R}{W}
Legendary Creature — Hedgehog Warrior
Identity
Boros
EDHREC rank
#7,917
Cheapest printing
US$1.45
TCGplayer
Printings
2
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.
Keywords: haste
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.