Impervious Greatwurm (Buy-A-Box) [Guilds of Ravnica] HER001-P Leviathan enters the battlefield tapped

Leviathan enters the battlefield tapped and doesn't untap during your untap step

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Set: Commander Masters Type: Instant Rarity: Mythic Cost: {3}{R}{R} Cast this spell only during your turn and only during combat

you may return target creature card with lesser mana value from your graveyard to the battlefield tapped

Set: Innistrad: Crimson Vow Type: Creature — Spirit Rarity: Rare Cost: {1}{U}{U} Flying

Impervious Greatwurm (Buy-A-Box) [Guilds of Ravnica] HER001-P Leviathan enters the battlefield tappedSet: Guilds of Ravnica Type: Creature Wurm Rarity: Mythic Cost: {7}{G}{G}{G} Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Indestructible The ultimate answer to intrigue and subtlety.