Leiknir, God of the Unreal

Hexproof
Whenever Leiknir is dealt damage, create a token
that's a copy of it except it's not legendary.
{u/r}{u/r}: Choose one - Until end of turn, Leiknir
becomes a 2/2 hawk with flying; or until end of
turn, Leiknir becomes a 1/1 rat with deathtouch;
or until end of turn, Leiknir becomes a 3/1
serpent with protection from creatures.
{2}{u}{r},{t}: Leiknir deals 1 damage to any target.