Sandaril's Surge

This spell cost {2} less to cast if you control
Sandaril Sandbender.
This spell cost {u} or {r} or {g} less if Sandaril Sandbender entered the battlefield this turn.
When Sandaril's Surge is casted, choose a player.
Tap up to two target creatures chosen player controls, then put a +1/+1 counter on target
creature for each tapped creature chosen player controls, then deal 3 damage to each tapped
creature chosen player controls.