Austere Command (Invocation) [Amonkhet Invocations] Teferi Tails You Lose Type: Legendary

Tails You Lose Type: Legendary Artifact — Equipment Rarity: Mythic Cost: {4}{R}{R} Flash

You may cast it without paying its mana cost if it's a spell with lesser mana value

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Art Series Type: Card // Card Rarity: Common Gargantuan fiend

then destroy those lands

Austere Command (Invocation) [Amonkhet Invocations] Teferi Tails You Lose Type: LegendarySet: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {4}{W}{W} Choose two Destroy all artifacts. Destroy all enchantments. Destroy all creatures with mana value 3 or less. Destroy all creatures with mana value 4 or greater.