Combustible Gearhulk [Kaladesh Inventions] Oldschool Hungering Hydra can't be blocked

Hungering Hydra can't be blocked by more than one creature

Set: Commander 2017 Type: Legendary Artifact — Equipment Rarity: Rare Cost: {2} Equipped creature gets +1/+1

"When one wolf calls

Set: Worldwake Type: Legendary Creature — Merfolk Rogue Rarity: Rare Cost: {1}{U}{U} Islandwalk (This creature can't be blocked as long as defending player controls an Island

Combustible Gearhulk [Kaladesh Inventions] Oldschool Hungering Hydra can't be blockedSet: Kaladesh Inventions Type: Artifact Creature Construct Rarity: Mythic Cost: {4}{R}{R} First strike When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.