Marwyn, the Preserver {1}{G}
Legendary Creature — Elf Druid
GreenCommander: legal
Identity
Green
EDHREC rank
#16,673
Cheapest printing
US$0.33
TCGplayer
Printings
2
Lands you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)
{2}: Return target land card from your graveyard to your hand.
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.