Goblin Piledriver [Onslaught] 056 that creature enters the battlefield

that creature enters the battlefield with an additional +1/+1 counter on it

This equipment has the first piece of the combat damage trigger on the first chosen one

Sacrifice Boromir

Set: Double Masters 2022 Type: Legendary Creature — Aetherborn Vampire Rarity: Rare Cost: {2}{B} Haste

Goblin Piledriver [Onslaught] 056 that creature enters the battlefieldSet: Onslaught Type: Creature Goblin Warrior Rarity: Rare Cost: {1}{R} Protection from blue (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue.) Whenever Goblin Piledriver attacks, it gets +2 +0 until end of turn for each other attacking Goblin. Throw enough goblins at any problem and it should go away. At the very least, there'll be fewer goblins.