Veiled Apparition [Urza's Saga] Illusion Mutant {2}{W}{B}: Restless Fortress becomes a

{2}{W}{B}: Restless Fortress becomes a 1/4 white and black Nightmare creature until end of turn

but they'll do the trick

Conflict breeds opportunity

Creature tokens you control that are enchanted or equipped get +1/+1

Set: Commander 2020 Type: Legendary Creature — Sphinx Rarity: Mythic Cost: {2}{W}{W}{U}{U} Flying

Veiled Apparition [Urza's Saga] Illusion Mutant {2}{W}{B}: Restless Fortress becomes aSet: Urza's Saga Type: Enchantment Rarity: Uncommon Cost: {1}{U} When an opponent casts a spell, if Veiled Apparition is an enchantment, Veiled Apparition becomes a 3 3 Illusion creature with flying and "At the beginning of your upkeep, sacrifice Veiled Apparition unless you pay {1}{U}."