Thay, Son of the Opposer

Haste, Hexproof
{1}{g}: Thay gains Trample until end of turn.
{1}{r}: Thay gains Double Strike until end of turn.
{1}{r}{g}: Thay gains +3/+1 until end of turn.
Thay counts as a Human and Wolf for spells and abilities.
At the beginning of each upkeep, if no spells
were cast last turn, transform Thay.