Karona, the false god

Haste, goaded, shroud
•On each player's upkeep, that player untaps and
gains control of Karona, the false god.
•Karona's power and toughness is X.
•When Karona attacks, the owner may choose a
creature type to gain +X/+X or first strike.
(Creature type chosen this way cannot be avatar)
—X is the amount of creature types the owner
controls.
{x}{w}{b/g}{u/r}, {t}