Oath of the Gatewatch

When Relief Captain enters the battlefield, support 3. (Put a +1/+1 counter on each of up to three other target creatures.)

Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Enchant creature Enchanted creature gets +2/+2, has vigilance, and can block an additional creature each combat.

Tranquil Expanse enters the battlefield tapped. {T}: Add {G} or {W}.

Timber Gorge enters the battlefield tapped. {T}: Add {R} or {G}.

Meandering River enters the battlefield tapped. {T}: Add {W} or {U}.

Equipped creature gets +1/+1 and has haste. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +2/+2 and has menace. (It can't be blocked except by two or more creatures.) Equip {3}

Other creatures you control get +1/+0 as long as you control an Equipment.

{1}{R}{G}: Relentless Hunter gets +1/+1 and gains trample until end of turn.

{4}{G}{W}: Support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

When Baloth Null enters the battlefield, return up to two target creature cards from your graveyard to your hand.

Create two 2/2 white Knight Ally creature tokens.

Devoid (This card has no color.) Mindmelter can't be blocked. {3}{C}: Target opponent exiles a card from their hand. Activate only as a sorcery. ...

Reach When Seed Guardian dies, create an X/X green Elemental creature token, where X is the number of creature cards in your graveyard.

When Harvester Troll enters the battlefield, you may sacrifice a creature or land. If you do, put two +1/+1 counters on Harvester Troll.

Baloth Pup has trample as long as it has a +1/+1 counter on it.

Devoid (This card has no color.) Search your library for a basic land card and reveal it. You may put that card onto the battlefield tapped if you ...

Support 2. (Put a +1/+1 counter on each of up to two target creatures.) Gain control of target creature until end of turn. Untap that creature. It ...

{0}: Attach target Equipment you control to Kazuul's Toll Collector. Activate only as a sorcery.

As an additional cost to cast this spell, return a land you control to its owner's hand. Devour in Flames deals 5 damage to target creature or pla...

Devoid (This card has no color.) {2}{C}: Each creature with toughness greater than its power can't block this turn. ({C} represents colorless mana.)

{3}{B}, Exile a creature card from your graveyard: Create a tapped 2/2 black Zombie creature token.

Cohort — {T}, Tap an untapped Ally you control: You draw a card and you lose 1 life.