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.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

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

Whenever a creature you control attacks alone, you may tap target creature.

: Untap target Forest.

Flying

Arctic Aven gets +1/+1 as long as you control a Plains.

: Arctic Aven gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)

First strike

When Attended Knight enters the battlefield, create a 1/1 white Soldier creature token.

Flying

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

Flying

When Battleflight Eagle enters the battlefield, target creature gets +2/+2 and gains flying until end of turn.

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.

Sacrifice a creature: Bloodthrone Vampire gets +2/+2 until end of turn.

Search your library for up to X basic land cards, where X is the number of lands you control, put them onto the battlefield tapped, then shuffle.

Create three 1/1 white Soldier creature tokens.

Chandra's Fury deals 4 damage to target player or planeswalker and 1 damage to each creature that player or that planeswalker's controller controls.

Creatures you control gain double strike until end of turn. (They deal both first-strike and regular combat damage.)

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

Creatures your opponents control get -1/-1 until end of turn.

Crimson Muckwader gets +1/+1 as long as you control a Swamp.

: Regenerate Crimson Muckwader. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

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

Reach (This creature can block creatures with flying.)

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

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Draw two cards.

Destroy target attacking or blocking creature.

Tap up to three target creatures.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

: Add or .

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Haste (This creature can attack and as soon as it comes under your control.)

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

Trample

When Elderscale Wurm enters the battlefield, if your life total is less than 7, your life total becomes 7.

As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead.

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

: Add for each Elf you control.

Enchant artifact or creature

Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Essence Drain deals 3 damage to any target and you gain 3 life.

, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Return to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

Creatures you control have haste. (They can attack and as soon as they come under your control.)

Flying

: Return Firewing Phoenix from your graveyard to your hand.

Flinthoof Boar gets +1/+1 as long as you control a Mountain.

: Flinthoof Boar gains haste until end of turn. (It can attack and this turn.)

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Create X 1/1 green Saproling creature tokens, where X is the greatest power among creatures you control.

+1: Create a 3/3 green Beast creature token.

−3: Draw cards equal to the greatest power among creatures you control.

−6: Create a 6/6 green Wurm creature token for each land you control.

, , Sacrifice Gem of Becoming: Search your library for an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

: Add three mana of any one color.

Creatures you control get +1/+1 until end of turn.

Whenever you cast a red spell, target creature can't block this turn.

When Ground Seal enters the battlefield, draw a card.

Cards in graveyards can't be the targets of spells or abilities.

Defender (This creature can't attack.)

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

Harbor Bandit gets +1/+1 as long as you control an Island.

: Harbor Bandit can't be blocked this turn.

Whenever another creature enters the battlefield under your control, you gain 2 life.

Target creature gets -5/-0 until end of turn.

: Destroy target creature with power 4 or greater.