Bolas's Citadel (Promo Pack) [War of the Spark Promos] Kaldheim protection from spells that are

protection from spells that are one or more colors

Whenever you cast a historic spell

Set: Strixhaven: Mystical Archive Type: Instant Rarity: Mythic Cost: {2}{W} Until your next turn

Set: Introductory Two-Player Set Type: Basic Land — Forest Rarity: Common ({T}: Add {G}

Set: Double Masters Type: Instant Rarity: Rare Cost: {3}{B}{B} Reveal the top card of your library and put that card into your hand

Bolas's Citadel (Promo Pack) [War of the Spark Promos] Kaldheim protection from spells that areSet: War of the Spark Promos Type: Legendary Artifact Rarity: Rare Cost: {3}{B}{B}{B} You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.