Spark Man, Charge Navi

Spark Man, Charge Navi enters the battlefield
with a charge counter.
When you cast an instant or sorcery proliferate.
Remove a charge counter from Spark Man,
Charge Navi chose one:
• Deal 1 dammage to any target.
• Spark Man, Charge Navi gets +3/+0 and trample untill end of turn.
• Counter target instant or sorcery unless its controller pays 2.