Mana Vault [Ultimate Masters] Portal −7: Create four 5/5 red

−7: Create four 5/5 red Dragon creature tokens with flying

Set: Unlimited Edition Type: Creature — Human Knight Rarity: Uncommon Cost: {B}{B} First strike (This creature deals combat damage before creatures without first strike

Erebos isn't a creature

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {3}{B}{B} Horsemanship (This creature can't be blocked except by creatures with horsemanship

you may sacrifice a Merfolk

Mana Vault [Ultimate Masters] Portal −7: Create four 5/5 redSet: Ultimate Masters Type: Artifact Rarity: Mythic Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.