Fëanor, King of The Ñoldor

Vigilance

When Fëanor enters, conjure a card named
"The Silmarils" to your hand

{2}: Sacrifice a creature deal damage equal to it's
mana value to any opponent, then draw a card

At your end step, if you control both Fëanor and
"The Silmarils", merge them and transform Fëanor