Ceremonial Knife [Innistrad: Double Feature] Siege // Artifact Delirium — As long as

Delirium — As long as there are four or more card types among cards in your graveyard

Ashnod devised a solution

Set: Starter Commander Decks Type: Artifact Rarity: Uncommon Cost: {1} T: Add CC

Set: Secret Lair Drop Series Type: Legendary Creature — Dragon Rarity: Rare Cost: {4}{R}{R} Flying

Whenever an opponent becomes the monarch

Ceremonial Knife [Innistrad: Double Feature] Siege // Artifact Delirium — As long asSet: Innistrad: Double Feature Type: Artifact Equipment Rarity: Common Cost: {1} Equipped creature gets +1 +0 and has "Whenever this creature deals combat damage, create a Blood token." (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)