Emberwood Avenger

Blazing Retaliation: Whenever Green Knight, Herald of Flame is dealt damage, destroy target nonbasic land you don’t control.

Emberbond: Whenever Green Knight attacks, you may tap another untapped creature you control.
If you do, Green Knight gains +X/+X until end of turn, where X is that creature's toughness.

"Face his wrath, and watch as fire and fury consume the world you hold dear."