Hydroid Krasis [Ravnica Allegiance] Nightmare Fish Beast You must also Tribute monsters

You must also Tribute monsters from your hand or field whose total Levels exactly equal the Level of the Ritual Monster you Ritual Summon

Set: Cyberdark Impact Card type: Effect Monster Rarity: Rare Attack: 2500 Defense: 1600 This card cannot be Special Summoned

you may pay {2}{W}

monsters your opponent controls with 2000 or less ATK cannot attack

Set: Duel Decks Anthology Type: Artifact Creature — Golem Rarity: Common Cost: {6} Affinity for Mountains (This spell costs {1} less to cast for each Mountain you control

Hydroid Krasis [Ravnica Allegiance] Nightmare Fish Beast You must also Tribute monstersSet: Ravnica Allegiance Type: Creature Jellyfish Hydra Beast Rarity: Mythic Cost: {X}{G}{U} When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample Hydroid Krasis enters the battlefield with X +1 +1 counters on it. Havoc is a small price to pay for data.