Heroic Champion - Gandiva

EARTH
2 Level 4 Warrior-Type monsters Once per turn, when a Level 4 or lower monster(s) is Special Summoned to your opponent's side of the field (except during the Damage Step): You can detach 1 Xyz Material from this card; destroy that Special Summoned monster(s).
2100
1800

Warrior EARTH XYZ Monster 4 xyz