While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

When Dawnbringer Cleric enters the battlefield, choose one — • Cure Wounds — You gain 2 life. • Dispel Magic — Destroy target enchantment. • Gentle Repose — Exile target card from a graveyard.

Protection from monocolored

Lifelink Embalm {W} ({W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Cat with no mana cost. Embalm only as a sorcery.)

Draw three cards, then put two cards from your hand on top of your library in any order.

Counter target spell.

Lightning Bolt deals 3 damage to any target.

Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Azorius Guildgate enters the battlefield tapped. {T}: Add {W} or {U}.

{T}: Add {C}. {2}, {T}: Target creature gets +X/+X until end of turn, where X is the number of Gates you control. Activate only as a sorcery.

Citadel Gate enters the battlefield tapped. As Citadel Gate enters the battlefield, choose a color other than white. {T}: Add {W} or one mana of the chosen color.

Cliffgate enters the battlefield tapped. As Cliffgate enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {1}, {T}, Tap an untapped Gate you control: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

({T}: Add {U}.)

({T}: Add {W}.)

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

Choose one — • Destroy target creature with toughness 4 or greater. • Destroy target enchantment.

Exile two target artifacts.

Exile two target artifacts.

Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Counter target blue spell. • Destroy target blue permanent.