Gigapede

Shroud (This creature can’t be the target of spells or abilities.)
At the beginning of your upkeep, if Gigapede is in your graveyard, you may discard a card. If you do, return Gigapede to your hand.

Elvish Vanguard

Whenever another Elf enters the battlefield, put a +1/+1 counter on Elvish Vanguard.

Mistform Shrieker

Flying
: Mistform Shrieker becomes the creature type of your choice until end of turn.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Kaboom!

Choose any number of target players or planeswalkers. For each of them, reveal cards from the top of your library until you reveal a nonland card, Kaboom! deals damage equal to that card’s converted mana cost to that player or planeswalker, then you put the revealed cards on the bottom of your library in any order.

Sandskin

Enchant creature
Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Gustcloak Runner

Whenever Gustcloak Runner becomes blocked, you may untap it and remove it from combat.

Wretched Anurid

Whenever another creature enters the battlefield, you lose 1 life.

Airdrop Condor

Flying
, Sacrifice a Goblin creature: Airdrop Condor deals damage equal to the sacrificed creature’s power to any target.

Flaring Pain

Damage can’t be prevented this turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Wormfang Crab

Wormfang Crab can’t be blocked.
When Wormfang Crab enters the battlefield, an opponent chooses a permanent you control other than Wormfang Crab and exiles it.
When Wormfang Crab leaves the battlefield, return the exiled card to the battlefield under its owner’s control.

Carrion Wurm

Whenever Carrion Wurm attacks or blocks, any player may exile three cards from their graveyard. If a player does, Carrion Wurm assigns no combat damage this turn.

Hydromorph Guardian

, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control.

Longhorn Firebeast

When Longhorn Firebeast enters the battlefield, any opponent may have it deal 5 damage to them. If a player does, sacrifice Longhorn Firebeast.

Magma Vein

, Sacrifice a land: Magma Vein deals 1 damage to each creature without flying.

Petrified Field

: Add .
, Sacrifice Petrified Field: Return target land card from your graveyard to your hand.

Pardic Firecat

Haste
If Pardic Firecat is in a graveyard, effects from spells named Flame Burst count it as a card named Flame Burst.

Phantatog

Sacrifice an enchantment: Phantatog gets +1/+1 until end of turn.
Discard a card: Phantatog gets +1/+1 until end of turn.

Tsabo’s Assassin

: Destroy target creature if it shares a color with the most common color among all permanents or a color tied for most common. A creature destroyed this way can’t be regenerated.

Spiritmonger

Whenever Spiritmonger deals damage to a creature, put a +1/+1 counter on Spiritmonger.
: Regenerate Spiritmonger.
: Spiritmonger becomes the color of your choice until end of turn.

Ashuza’s Breath

For each creature, choose a number from 0 to 2 at random. Ashuza’s Breath deals that much damage to that creature.

Mask of Intolerance

At the beginning of each player’s upkeep, if there are four or more basic land types among lands that player controls, Mask of Intolerance deals 3 damage to that player.

Spiritmonger

Whenever Spiritmonger deals damage to a creature, put a +1/+1 counter on Spiritmonger.
: Regenerate Spiritmonger.
: Spiritmonger becomes the color of your choice until end of turn.