Dragon Arch

{2}, {T}: You may put a multicolored creature card from your hand onto the battlefield.

Lich's Mirror

If you would lose the game, instead shuffle your hand, your graveyard, and all permanents you own into your library, then draw seven cards and your life total becomes 20.

Bident of Thassa

Whenever a creature you control deals combat damage to a player, you may draw a card.
{1}{U}, {T}: Creatures your opponents control attack this turn if able.

Eureka Moment

Draw two cards. You may put a land card from your hand onto the battlefield.

Kresh the Bloodbraided

Whenever another creature dies, you may put X +1/+1 counters on Kresh, where X is that creature's power.

Darkness

Prevent all combat damage that would be dealt this turn.

Coastal Piracy

Whenever a creature you control deals combat damage to an opponent, you may draw a card.