At the beginning of your end step, if you didn't cast any spells this turn, Merfolk Oasis deals 1 damage to you.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
: Remove a counter from target permanent.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead.: Remove a counter from target permanent.
