At the beginning of your end step, if you didn't cast any spells this turn, Peat Ampitheater deals 1 damage to you.
: Add
to your mana pool. If you played a land this turn, Add
to your mana pool instead.

: Peat Ampitheater becomes a 2/1 black and red Rat Rogue creature until end of turn. It's still a land.