Whenever a creature enters the battlefield under your control, you gain 1 life.

+1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.

-2: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate."

0: If you have at least 15 life more than your starting life total, exile Ajani, Strength of the Pride and each artifact and creature your opponents control.

Choose a color. Creatures you control gain protection from the chosen color until end of turn.

Cycling {W} ({W}, Discard this card: Draw a card.)

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Creatures you control gain flying, vigilance, and double strike until end of turn.

• Creatures you control gain lifelink, indestructible, and protection from all colors until end of turn.

Choose a creature type. Creatures you control of the chosen type get +1/+0 and gain indestructible until end of turn.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Whenever a creature token enters the battlefield under your control, you gain 1 life.

Embalm {3}{W} ({3}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Cleric with no mana cost. Embalm only as a sorcery.)

Until end of turn, target creature gains trample and gets +X/+X, where X is the number of creatures you control.

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Aftermath (Cast this spell only from your graveyard. Then exile it.)

Tap up to two target creatures your opponents control. Creatures you control gain vigilance until end of turn.

Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment.

Choose an opponent. You and that player each create three 1/1 white Spirit creature tokens with flying.

Choose an opponent. You gain 2 life for each creature you control and that player gains 2 life for each creature they control.

Prevent all damage that would be dealt to creatures this turn. Creatures you control gain hexproof until end of turn. (They can't be the targets of spells or abilities your opponents control.)

Whenever Blossoming Bogbeast attacks, you gain 2 life. Then creatures you control gain trample and get +X/+X until end of turn, where X is the amount of life you gained this turn.

Enchant artifact or creature

As long as enchanted permanent is a creature, it gets +1/+1 for each creature and/or Vehicle you control.

Channel -- {2}{W}, Discard Born to Drive: Create two 1/1 colorless Pilot creature tokens with "This creature crews Vehicles as though its power were 2 greater."

You gain X life and draw X cards, where X is the number of creatures you control. Creatures you control get +1/+1 until end of turn.

Whenever a creature enters the battlefield under your control, put a +1/+1 counter on each creature you control.

Creatures with power less than Champion of Lambholt's power can't block creatures you control.

Whenever another creature enters the battlefield under your control, put a +1/+1 counter on Champion of Lambholt.

Gathered Swarm -- Whenever one or more tokens enter the battlefield under your control, put a +1/+1 counter on Cloakwood Swarmkeeper.

Creatures you control get +1/+1 for each time you've cast your commander from the command zone this game.

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls.

{4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Defender

{T}: Creatures you control gain haste until end of turn.

Haste

When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

Sacrifice Dauntless Escort: Creatures you control gain indestructible until end of turn.

Emerge {6}{G}{G}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, creatures you control get +2/+2 and gain trample until end of turn.

Trample, haste

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

Whenever a creature with power 3 or greater enters the battlefield under your control, draw a card.

{T}: Look at the top X cards of your library, where X is the number of tokens you created this turn. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Choose a Background (You can have a Background as a second commander.)

+2: You gain 1 life for each creature you control.

-2: Create three 1/1 white Soldier creature tokens.

-5: Destroy all other permanents except for lands and tokens.

Create two 4/4 white Angel Warrior creature tokens with flying. Non-Angel creatures you control gain indestructible until your next turn.

As Emeria, Shattered Skyclave enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {W}.

Landfall -- Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

If you control a commander, you may cast this spell without paying its mana cost.

Creatures you control gain indestructible until end of turn.

Populate X times. (To populate, create a token that's a copy of a creature token you control. Do this X times.)

Whenever another creature with power 3 or greater enters the battlefield under your control, you may draw a card.

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card.

Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.)

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

Vigilance

Geist-Honored Monk's power and toughness are each equal to the number of creatures you control.

When Geist-Honored Monk enters the battlefield, create two 1/1 white Spirit creature tokens with flying.

Whenever another creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn.

Whenever another creature enters the battlefield under your control, put a +1/+1 counter on that creature.

Create X 1/1 green and white Citizen creature tokens. Creatures you control gain indestructible until end of turn.

Flying

Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

At the beginning of your upkeep, populate. (Create a token that's a copy of a creature token you control.)

Equipped creature gets +1/+1 for each creature you control.

Equip {3}

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Create X 1/1 white Soldier creature tokens. (Then exile this card. You may cast the artifact later from exile.)

Vigilance

When Huatli's Raptor enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever another creature enters the battlefield under your control, you gain 1 life.

Commander creatures you own have "Creature tokens you control get +2/+2."

Creature tokens you control get +1/+1 and have vigilance.

Tokens you control have "{T}: Add {G}."

Choose a Background (You can have a Background as a second commander.)

Untap all creatures you control. They gain hexproof and indestructible until end of turn. (They can't be the targets of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy them.)

At the beginning of combat on your turn, creatures you control get +3/+3 and gain trample until end of turn.

{1}{G}: Until end of turn, target land you control becomes a 1/1 Elemental creature with vigilance, indestructible, and haste. It's still a land.

Partner (You can have two commanders if both have partner.)

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Other creatures you control get +1/+1.

{3}{G}{W}: Put a +1/+1 counter on King Darien and create a 1/1 white Soldier creature token.

Sacrifice King Darien: Creature tokens you control gain hexproof and indestructible until end of turn.

If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield.

Whenever you tap a creature for mana, add an additional {G}.

{6}{G}{G}: Put a +1/+1 counter on each creature you control.

If Leyline of Vitality is in your opening hand, you may begin the game with it on the battlefield.

Creatures you control get +0/+1.

Whenever a creature enters the battlefield under your control, you may gain 1 life.

If Leyline of the Meek is in your opening hand, you may begin the game with it on the battlefield.

Creature tokens get +1/+1.

Whenever another creature enters the battlefield under your control, you gain 1 life.

Disturb {1}{W} (You may cast this card from your graveyard transformed for its disturb cost.)

Flying

Whenever another creature you control leaves the battlefield, you gain 1 life.

If Luminous Phantom would be put into a graveyard from anywhere, exile it instead.

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

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Other green creatures you control get +1/+1.

{G}, {T}: Another target green creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Whenever a creature enters the battlefield under your control, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life."

Creature tokens you control get +1/+1.

{T}, Sacrifice a creature: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As long as it's your turn, creature tokens you control get +1/+4.

{3}{W}: Create a 1/1 white Soldier creature token.

Partner (You can have two commanders if both have partner.)

When Prosperous Innkeeper enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever another creature enters the battlefield under your control, you gain 1 life.

Queen Allenal of Ruadach's power and toughness are each equal to the number of creatures you control.

If one or more creature tokens would be created under your control, those tokens plus a 1/1 white Soldier creature token are created instead.

Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Whenever you attack with one or more creatures, create that many 1/1 green and white Citizen creature tokens. Then if you control ten or more creatures, you may play the exiled card without paying its mana cost.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Alliance -- Whenever another creature enters the battlefield under your control, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

Flying

Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

Flying, vigilance

Silverwing Squadron's power and toughness are each equal to the number of creatures you control.

Whenever Silverwing Squadron attacks, create a number of 2/2 white Knight creature tokens with vigilance equal to the number of opponents you have.

Whenever you cast a spell, populate. (Create a token that's a copy of a creature token you control.)

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

Whenever another creature enters the battlefield under your control, you may gain 1 life.

Whenever a creature enters the battlefield under an opponent's control, you may have that player lose 1 life.

Green creatures you control get +1/+1.

Whenever a green creature enters the battlefield under your control, scry 1.

Whenever a creature with power equal to its toughness enters the battlefield under your control, you may pay {1}. If you do, draw a card.

Flying

When Thunderhawk Gunship enters the battlefield, create two 2/2 white Astartes Warrior creature tokens with vigilance.

Whenever Thunderhawk Gunship attacks, attacking creatures you control gain flying until end of turn.

Crew 2

Choose two --

• Exile target player's graveyard. You gain 1 life for each card exiled this way.

• Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle.

• Create two 2/2 green Bear creature tokens.

• Put two +1/+1 counters on each creature you control.

Whenever another creature enters the battlefield under your control, you gain life equal to that creature's toughness.

{1}{G}{W}, {T}: Populate. (Create a token that's a copy of a creature token you control.)

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

Whenever a creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn.

Alliance -- Whenever another creature enters the battlefield under your control, Venom Connoisseur gains deathtouch until end of turn. If this is the second time this ability has resolved this turn, all creatures you control gain deathtouch until end of turn.

Populate. (Create a token that's a copy of a creature token you control.)

Wayfaring Temple's power and toughness are each equal to the number of creatures you control.

Whenever Wayfaring Temple deals combat damage to a player, populate. (Create a token that's a copy of a creature token you control.)

Whenever one or more tokens enter the battlefield under your control, put that many +1/+1 counters on Woodland Champion.

Choose one --

• Pray for Protection -- Creatures you control gain indestructible until end of turn.

• Strike a Deal -- You and target opponent each draw two cards.