Union of Maedhros

Creatures you control lose Oathbound as long as
Union of Maedhros remains in play.
At the beginning of your upkeep, create a 1/1
white and red elf warrior creature token with
first strike.
{1}{r}{w}, Sacrifice Union of Maedhros:
Creatures you control get +1/+0 and gain
trample until end of turn.