Dormant Plain
Land (Rare)

At the beginning of your end step, if you didn't cast any spells this turn, Dormant Plain deals 1 damage to you.

Tap, Pay 1 life: Add R or W to your mana pool.

1, Tap, Sacrifice Dormant Plain: Draw a card.

1W: Dormant Plain becomes a 0/4 red and white Goblin creature with defender until end of turn. It's still a land.

Aleksi Briclot