Cast Down

Relic of Progenitus

{T}: Target player exiles a card from their graveyard.
{1}, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

Soul Warden

Whenever another creature enters, you gain 1 life.

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Palace Sentinels

When Palace Sentinels enters, you become the monarch.

Goliath Paladin

Vigilance
When Goliath Paladin enters, you take the initiative.

Ajani's Mantra

At the beginning of your upkeep, you may gain 1 life.

Plains

Swamp

Mana Tithe

Counter target spell unless its controller pays {1}.

Unmake

Call to the Feast

Create three 1/1 white Vampire creature tokens with lifelink.

The Monarch

At the beginning of your end step, draw a card.
Whenever a creature deals combat damage to you, its controller becomes the monarch.

Castigate

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Revoke Existence

Sunlit Marsh

({T}: Add {W} or {B}.)
Sunlit Marsh enters tapped.

Celestial Unicorn

Whenever you gain life, put a +1/+1 counter on Celestial Unicorn.

Soul's Attendant

Whenever another creature enters, you may gain 1 life.

Vampire

Marauding Blight-Priest

Whenever you gain life, each opponent loses 1 life.

Planar Disruption

Enchant artifact, creature, or planeswalker
Enchanted permanent can't attack or block, and its activated abilities can't be activated.