Kalamo, the Searching

Flash
Whenever an opponent casts a spell during your turn, you may pay {2}{g/u}. If you do, counter that spell unless that player pays {1} for each land you control.
Whenever you cast a spell during an opponent's turn, you may pay {2}{g/u}. If you do, draw a card, then you may put a land card from your hand onto the battlefield.