Stone Catapult [Portal Three Kingdoms] Garruk If damage is prevented this

If damage is prevented this way

sacrifice Groundbreaker

Set: Commander 2015 Type: Legendary Creature — Insect Shaman Rarity: Mythic Cost: {3}{B}{G} Flying

Set: Magic 2014 Type: Artifact Rarity: Mythic Cost: {9} Artifacts you control have indestructible

Set: Commander 2018 Type: Enchantment Rarity: Rare Cost: {2}{U} You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control

Stone Catapult [Portal Three Kingdoms] Garruk If damage is prevented thisSet: Portal Three Kingdoms Type: Creature Human Soldier Rarity: Rare Cost: {4}{B} {T}: Destroy target tapped nonblack creature. Activate this ability only during your turn, before attackers are declared.