mega evolution - booster box Pokemon Mega: Chaos Rising Elite Trainer Harness the strong aura of Mega Lucario ex Pokémon TCG: Mega Evolution Elite

At first you might want to give it some protection, and the obvious choice for that is indestructible

If you want to kill through combat damage, you can turn Volrath into either Cultivator of Blades or Wild Beastmaster and give all your other creatures +7/+7 when attacking, or go for an infect kill by turning Volrath into Jodah's Avenger, using its ability to give him double strike, but before the ability resolves turn into Blighted Agent to attack as a 6/4 unblockable infect double strike one-shot

The targeted monster can then attack another one of its owner's monsters, or attack them directly, and the player who used Change of Heart can also use that monster's effect if possible

The back enchants an opponent to work best