Whenever another creature enters the battlefield under your control, Sanctifier of Souls gets +1/+1 until end of turn.
, Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

When Seraph Sanctuary enters the battlefield, you gain 1 life.
Whenever an Angel enters the battlefield under your control, you gain 1 life.
: Add .

Shuffle Serene Remembrance and up to three target cards from a single graveyard into their owners' libraries.

Menace (This creature can't be blocked except by two or more creatures.)

Equipped creature gets +0/+2 and has vigilance.
Whenever equipped creature blocks a creature, that creature doesn't untap during its controller's next untap step.
Equip

Enchant creature
Enchanted creature has indestructible.
Whenever a creature enters the battlefield, you may attach Shielded by Faith to that creature.

Flying, first strike

(: Add or .)
As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Choose one or both —
• Target creature gets -1/-1 until end of turn.
• Put a +1/+1 counter on target creature.

Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)

Untap up to two target creatures. They each get +2/+2 until end of turn.

Tap target creature. It doesn't untap during its controller's next untap step.

First strike
When Thalia's Lancers enters the battlefield, you may search your library for a legendary card, reveal it, put it into your hand, then shuffle your library.

Constellation — Whenever Thassa's Devourer or another enchantment enters the battlefield under your control, target player mills two cards.

This spell can't be countered.
Target opponent reveals their hand. Exile all noncreature, nonland cards from that player's hand and graveyard.

Put target nonland permanent on top of its owner's library.

Enchant player
Whenever a creature enters the battlefield under enchanted player's control, that player loses 1 life and you gain 1 life.

Destroy target creature with power 3 or less.

Vicious Rumors deals 1 damage to each opponent. Each opponent discards a card, then mills a card. You gain 1 life.