Vodalian Mage

{U}, {T}: Counter target spell unless its controller pays {1}.

Prevent all combat damage that would be dealt this turn.

Festival

Cast this spell only during an opponent's upkeep.
Creatures can't attack this turn.

Oubliette

When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)

Tsunami

Justice

At the beginning of your upkeep, sacrifice Justice unless you pay {W}{W}.
Whenever a red creature or spell deals damage, Justice deals that much damage to that creature's or spell's controller.

Grapeshot Catapult

{T}: Grapeshot Catapult deals 1 damage to target creature with flying.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Giant Slug

{5}: At the beginning of your next upkeep, choose a basic land type. Giant Slug gains landwalk of the chosen type until the end of that turn. (It can't be blocked as long as defending player controls a land of that type.)

Sunglasses of Urza

You may spend white mana as though it were red mana.

Reef Pirates

Whenever Reef Pirates deals damage to an opponent, that player mills a card.

Gloom

White spells cost {3} more to cast.
Activated abilities of white enchantments cost {3} more to activate.

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.