Path of Discovery [Rivals of Ixalan] Leviathan Horror or destroy all monsters you

or destroy all monsters you control if you roll 6

Set: Shadowmoor Type: Legendary Creature — Merfolk Rogue Rarity: Rare Cost: {U/B}{U/B} At the beginning of each end step

Set: Dark Beginning 2 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 This card can only be activated during your opponent's Battle Step

Set: Battle Royale Type: Instant Rarity: Common Cost: {U}{U} Counter target spell

Set: Commander 2015 Type: Artifact Rarity: Common Cost: {1} {2}

Path of Discovery [Rivals of Ixalan] Leviathan Horror or destroy all monsters youSet: Rivals of Ixalan Type: Enchantment Rarity: Rare Cost: {3}{G} Whenever a creature enters the battlefield under your control, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1 +1 counter on the creature, then put the card back or put it into your graveyard.)