Ritual of Steel

Enchant creature
When Ritual of Steel enters, draw a card at the beginning of the next turn's upkeep.
Enchanted creature gets +0/+2.

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.)

Worldly Tutor

Search your library for a creature card, reveal it, then shuffle and put the card on top.

Mountain

Quirion Elves

As Quirion Elves enters, choose a color.
{T}: Add {G}.
{T}: Add one mana of the chosen color.

Plains

Nettletooth Djinn

At the beginning of your upkeep, Nettletooth Djinn deals 1 damage to you.

Sawback Manticore

{4}: Sawback Manticore gains flying until end of turn.
{1}: Sawback Manticore deals 2 damage to target attacking or blocking creature. Activate only if Sawback Manticore is attacking or blocking and only once each turn.

Benevolent Unicorn

If a spell would deal damage to a permanent or player, it deals that much damage minus 1 to that permanent or player instead.

Ivory Charm

Choose one —
• All creatures get -2/-0 until end of turn.
• Tap target creature.
• Prevent the next 1 damage that would be dealt to any target this turn.

Mountain Valley

Mountain Valley enters tapped.
{T}, Sacrifice Mountain Valley: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Mtenda Griffin

Flying
{W}, {T}: Return Mtenda Griffin to its owner's hand and return target Griffin card from your graveyard to your hand. Activate only during your upkeep.

Foratog

{G}, Sacrifice a Forest: Foratog gets +2/+2 until end of turn.

Jolrael's Centaur

Shroud (This creature can't be the target of spells or abilities.)
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Unyaro Griffin

Flying
Sacrifice Unyaro Griffin: Counter target red instant or sorcery spell.

Grasslands

Grasslands enters tapped.
{T}, Sacrifice Grasslands: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Ekundu Griffin

Gibbering Hyenas

Gibbering Hyenas can't block black creatures.

Armor of Thorns

You may cast Armor of Thorns as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant nonblack creature
Enchanted creature gets +2/+2.

Zuberi, Golden Feather

Flying
Other Griffin creatures get +1/+1.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Disenchant

Forest

Afterlife

Destroy target creature. It can't be regenerated. Its controller creates a 1/1 white Spirit creature token with flying.