Goblin Piledriver [Onslaught] World Magic Cup Qualifiers you can Special Summon 1

you can Special Summon 1 DARK monster with an ATK of 1500 or less in face-up Attack Position from your Deck

remove all counters from all permanents

Set: Cosmo Blazer Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 2200 Defense: 1800 2 Level 4 Beast-Warrior-Type monsters When this card is Xyz Summoned: You can Set 1 "Fire Formation" Spell/Trap Card directly from your Deck

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} Mana Vault doesn't untap during your untap step

Set: Apocalypse Type: Enchantment Rarity: Rare Cost: {1}{B}{B} At the beginning of your upkeep

Goblin Piledriver [Onslaught] World Magic Cup Qualifiers you can Special Summon 1Set: 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.