As long as your devotion to green and red is less than seven, Xenagos isn't a creature.
At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power.
Near Mint - $4.20
Lightly Played - $3.30
Moderately Played - $2.90
Heavily Played - $2.50
Damaged - $2.10
Near Mint Spanish - $4.20
Lightly Played Spanish - $3.30
Moderately Played Spanish - $2.90
Heavily Played Spanish - $2.50
Damaged Spanish - $2.10