Enigma Sphinx [Commander 2018] Wizards Play Network 2009 Set: Battle for Zendikar Prerelease

Set: Battle for Zendikar Prerelease Promos Type: Creature — Elemental Rarity: Rare Cost: {3}{G} Vigilance

(Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it

Set: Fate Reforged Type: Sorcery Rarity: Rare Cost: {4}{R}{R} Choose one —

They only specify the consequences should you fail

Enigma Sphinx [Commander 2018] Wizards Play Network 2009 Set: Battle for Zendikar PrereleaseSet: Commander 2018 Type: Artifact Creature Sphinx Rarity: Rare Cost: {4}{W}{U}{B} Flying When Enigma Sphinx is put into your graveyard from the battlefield, put it into your library third from the top. Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)