The Gitrog Monster

Le monstre de Gitrog (The Gitrog Monster) (fr)

Legendary Creature - Frog Horror | Power/Toughness: 6 / 6 (CMC 5)
At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land.
You may play an additional land on each of your turns.
Whenever one or more land cards are put into your graveyard from anywhere, draw a card.