Power Sink

Counter target spell unless its controller pays . If that player doesn’t, they tap all lands with mana abilities they control and lose all unspent mana.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add .

Wall of Water

Defender (This creature can’t attack.)
: Wall of Water gets +1/+0 until end of turn.