Rodan

Flying, Haste, First Strike, Indestructible,
Can't be Sacrificed.
Whenever you cast a creature, Artifact, or enchantment, Rodan deals 1 damage to any target.
{r}: Rodan gains double strike until end of turn
{r}{r}: Rodan gains Protection from Colorless
spells until your next turn.
{x}{r}{r}: Rodan deals X Damage to any target.
Whenever Rodan attacks, defending player exiles
the top ten cards of their library.