Gilsteil Day Raider

Creatures you control with no mana cost have
trample and haste.
Werewolves you control have "{2}{r}{g}: transform
this creature."
When Gilsteil attacks, you may transform another target Werewolf you control, if you do, it gains indestructible until end of turn.
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Gilsteil.