Eiflin, One with Many Forms

{g/w}: Choose one. Activate this ability only once
per turn —
•Eiflin gets +3/+3 and gains trample until end of
turn.
•Eiflin gets +1/+1 and gains flying and vigilance
until end of turn.
•Eiflin gains unblockable until end of turn.
{bull}Eiflin gains "{t}: Add two mana of any color"
until end of turn.