Leonardo, Sewer Samurai {3}{W}
Legendary Creature — Mutant Ninja Turtle Samurai
WhiteCommander: legal
Identity
White
EDHREC rank
#13,759
Cheapest printing
US$1.23
TCGplayer
Printings
3
Sneak {2}{W}{W}
Double strike
During your turn, you may cast creature spells with power or toughness 1 or less from your graveyard. If you cast a spell this way, that creature enters with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)
Keywords: double strike, sneak
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.