Austere Command (Invocation) [Amonkhet Invocations] Conspiracy that source's controller sacrifices that

that source's controller sacrifices that many permanents

Set: Alpha Edition Type: Sorcery Rarity: Rare Cost: {X}{U}{U} Target player draws X cards

The mystic bond between spellcasters and the land is just as vulnerable to attack as the casters themselves

Set: Time Spiral Timeshifted Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Austere Command (Invocation) [Amonkhet Invocations] Conspiracy that source's controller sacrifices thatSet: 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.