Gray Ogre [Alpha Edition] Rivals of Ixalan Prerelease Promos discard a card at random

discard a card at random

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

but I didn't expect it from the building itself

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a red spell

Set: Saviors of Kamigawa Type: Sorcery — Arcane Rarity: Rare Cost: {5}{B} Target opponent chooses a number

Gray Ogre [Alpha Edition] Rivals of Ixalan Prerelease Promos discard a card at randomSet: Alpha Edition Type: Creature Ogre Rarity: Common Cost: {2}{R} The Ogre philosopher Gnerdel believed the purpose of life was to live as high on the food chain as possible. She refused to eat vegetarians, and preferred to live entirely on creatures that preyed on sentient beings.