Sentry of the Underworld

Flying, vigilance
{W}{B}, Pay 3 life: Regenerate Sentry of the Underworld.

High Ground

Each creature you control can block an additional creature each combat.

Azorius Guildgate

This land enters tapped.
{T}: Add {W} or {U}.

Dromar's Cavern

When Dromar's Cavern enters, sacrifice it unless you return a non-Lair land you control to its owner's hand.
{T}: Add {W}, {U}, or {B}.

Kor Chant

All damage that would be dealt this turn to target creature you control by a source of your choice is dealt to another target creature instead.

Tethered Griffin

Flying
When you control no enchantments, sacrifice Tethered Griffin.

Griffin Canyon

{T}: Add {C}.
{T}: Untap target Griffin. If it's a creature, it gets +1/+1 until end of turn.

Pearl Medallion

White spells you cast cost {1} less to cast.

Island

Empyrean Eagle

Flying
Other creatures you control with flying get +1/+1.

Teremko Griffin

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Unsummon

Return target creature to its owner's hand.

Griffin Protector

Flying
Whenever another creature you control enters, Griffin Protector gets +1/+1 until end of turn.

Harrier Griffin

Flying
At the beginning of your upkeep, tap target creature.

Remove Soul

Diving Griffin

Teferi's Moat

As Teferi's Moat enters, choose a color.
Creatures of the chosen color without flying can't attack you.

Mana Leak

Counter target spell unless its controller pays {3}.

Noble Purpose

Whenever a creature you control deals combat damage, you gain that much life.

Counterspell

Meddle

If target spell has only one target and that target is a creature, change that spell's target to another creature.

Resplendent Griffin

Flying
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
Whenever Resplendent Griffin attacks, if you have the city's blessing, put a +1/+1 counter on it.

Zuberi, Golden Feather

Flying
Other Griffin creatures get +1/+1.

Plains

Eye for an Eye

The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.

Gerrard's Battle Cry

{2}{W}: Creatures you control get +1/+1 until end of turn.

Tranquil Cove

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {U}.

Archaeological Dig

{T}: Add {C}.
{T}, Sacrifice Archaeological Dig: Add one mana of any color.

Moment of Silence

Target player skips their next combat phase this turn.

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Ekundu Griffin

Off Balance

Target creature can't attack or block this turn.

Miraculous Recovery

Return target creature card from your graveyard to the battlefield. Put a +1/+1 counter on it.

Dovin's Acuity

When Dovin's Acuity enters, you gain 2 life and draw a card.
Whenever you cast an instant spell during your main phase, you may return Dovin's Acuity to its owner's hand.

Serra's Blessing

Creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Senate Griffin

Flying
When Senate Griffin enters, scry 1.

Disenchant

Sphinx's Insight

Draw two cards.
Addendum — If you cast this spell during your main phase, you gain 2 life.