Nivix Barbarian

Whenever you discard a card, Nivix Barbarian
gets +1/+0 and gains hexproof until end of turn.
Whenever you draw a card, Nivix Barbarian gets
+1/+0 and cant be blocked until end of turn.
Spell Surge 5 (Whenever you cast an instant or
sorcery, put a Stack counter on Nivix Barbarian.
When it has five or more Stack counters, remove them
and it deals 2 damage to any target.)