Treva, the Renewer {3}{G}{W}{U}
Legendary Creature — Dragon
Identity
Bant
EDHREC rank
#21,677
Cheapest printing
US$0.56
TCGplayer
Printings
3
Flying
Whenever Treva deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color.
Keywords: flying
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.