Jolrael, Voice of Zhalfir {2}{G}{U}
Legendary Creature — Human Druid
Identity
Simic
EDHREC rank
#10,915
Cheapest printing
US$0.30
TCGplayer
Printings
5
At the beginning of combat on your turn, up to one target land you control becomes an X/X green and blue Bird creature with flying and haste until end of turn, where X is the number of cards in your hand. It's still a land.
Whenever a land creature you control deals combat damage to a player, draw a card.
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.