Rhuza, Alchemist Master

Flash
When Rhuza enters the battlefield, it gains the
next ability if you spend to cast...
-...red mana:
"{r},{t}: Deal 8 points of damage to target creature
or player"
-...blue mana:
"{u}{u}: Counter target spell"
When Rhuza is put into graveyard from the
battlefield, return it to its owner hand
with converted mana cost {u/r}{u/r}.