Imagha, the Mangleborn

Whenever you cast a spell put a confluence counter on Imagha, the Mangleborn.
{1}: remove a confluence counter from Imagha,the Mangleborn, choose one:
-Tap or untap target permanent.
-Copy target ability, you lose 1 life.
-Target creature gets +2/+2 until end of turn.
Deep in the forest, mana can be unpredictable