Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

Arc Trail deals 2 damage to any target and 1 damage to another target.

{T}: Add {W}.

Flying

{T}: Add one mana of any color.

({G/P} can be paid with either {G} or 2 life.)

{1}{G/P}, {T}, Sacrifice a creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Brimstone Volley deals 3 damage to any target.

Morbid -- Brimstone Volley deals 5 damage instead if a creature died this turn.

When Burning-Tree Emissary enters the battlefield, add {R}{G}.

Create a 3/3 green Centaur creature token.

Devil's Play deals X damage to any target.

Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

+1: Look at the top card of your library. If it's a creature card, you may reveal it and put it into your hand.

-2: Target creature you control fights another target creature.

-7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste."

This spell costs {1} more to cast for each target beyond the first.

Fireball deals X damage divided evenly, rounded down, among any number of targets.

When Flametongue Kavu enters the battlefield, it deals 4 damage to target creature.

Galvanic Blast deals 2 damage to any target.

Metalcraft -- Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Haste

Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it's attacking.

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Kird Ape gets +1/+2 as long as you control a Forest.

Lightning Helix deals 3 damage to any target and you gain 3 life.

Loam Lion gets +1/+2 as long as you control a Forest.

This spell can't be countered.

If a spell or ability an opponent controls causes you to discard Loxodon Smiter, put it onto the battlefield instead of putting it into your graveyard.

Double strike, protection from black and from green

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Nearheath Pilgrim is paired with another creature, both creatures have lifelink.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Nightshade Peddler is paired with another creature, both creatures have deathtouch.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

{T}: Add {G} for each Elf on the battlefield.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

{1}, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

Flash

Flying

When Restoration Angel enters the battlefield, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

+1: Up to one target creature gains double strike until end of turn.

-2: Samut, the Tested deals 2 damage divided as you choose among one or two targets.

-7: Search your library for up to two creature and/or planeswalker cards, put them onto the battlefield, then shuffle.

Shock deals 2 damage to any target.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Silverblade Paladin is paired with another creature, both creatures have double strike.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{T}: Add {G}.

{1}: Add {R} or {W}.

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters the battlefield with two +1/+1 counters on it.)

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

Formidable -- At the beginning of combat on your turn, if creatures you control have total power 8 or greater, target creature you control gains haste until end of turn.

Exile target creature. Its controller gains life equal to its power.

Defender, hexproof

{T}: Add one mana of any color.

Treetop Village enters the battlefield tapped.

{T}: Add {G}.

{1}{G}: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)

At the beginning of your end step, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Sacrifice Whisperwood Elemental: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library."

Wild Nacatl gets +1/+1 as long as you control a Mountain.

Wild Nacatl gets +1/+1 as long as you control a Plains.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Wolfir Silverheart is paired with another creature, each of those creatures gets +4/+4.