Zur the Enchanter - Post the Enchanter [Secret Lair Drop Promos] Action Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {2}{U} Creatures and lands target opponent controls don't untap during their next untap step

that's something no horse can change

If X is 6 or more

Set: Amonkhet Invocations Type: Enchantment Rarity: Mythic Cost: {2}{R} Nonbasic lands are Mountains

Zur the Enchanter - Post the Enchanter [Secret Lair Drop Promos] Action Set: Portal Three Kingdoms Type:Set: Secret Lair Drop Promos Type: Legendary Creature Human Wizard Rarity: Rare Cost: {1}{W}{U}{B} Flying Whenever Zur the Enchanter attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.