Memnarch

: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.)
: Gain control of target artifact. (This effect lasts indefinitely.)

Sakura-Tribe Elder

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.

Dragonlair Spider

Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

Overrun

Creatures you control get +3/+3 and gain trample until end of turn.

Indrik Stomphowler

When Indrik Stomphowler enters the battlefield, destroy target artifact or enchantment.

Phyrexian Arena

At the beginning of your upkeep, you draw a card and you lose 1 life.

Loaming Shaman

When Loaming Shaman enters the battlefield, target player shuffles any number of target cards from their graveyard into their library.

High Market

: Add .
, Sacrifice a creature: You gain 1 life.

Orim’s Thunder

Kicker (You may pay an additional as you cast this spell.)
Destroy target artifact or enchantment. If this spell was kicked, it deals damage equal to that permanent’s converted mana cost to target creature.

Extractor Demon

Flying
Whenever another creature leaves the battlefield, you may have target player mill two cards.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Sakura-Tribe Elder

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.

Hammerfist Giant

: Hammerfist Giant deals 4 damage to each creature without flying and each player.

Nantuko Husk

Sacrifice a creature: Nantuko Husk gets +2/+2 until end of turn.

Qumulox

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying

Indrik Stomphowler

When Indrik Stomphowler enters the battlefield, destroy target artifact or enchantment.

Overrun

Creatures you control get +3/+3 and gain trample until end of turn.

Riftwing Cloudskate

Flying
When Riftwing Cloudskate enters the battlefield, return target permanent to its owner’s hand.
Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Ravenous Rats

When Ravenous Rats enters the battlefield, target opponent discards a card.

Mobilization

Soldier creatures have vigilance.
: Create a 1/1 white Soldier creature token.

Overrun

Creatures you control get +3/+3 and gain trample until end of turn.

Tidehollow Sculler

When Tidehollow Sculler enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card.
When Tidehollow Sculler leaves the battlefield, return the exiled card to its owner’s hand.

Feral Throwback

Amplify 2 (As this creature enters the battlefield, put two +1/+1 counters on it for each Beast card you reveal in your hand.)
Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

Kathari Bomber

Flying
When Kathari Bomber deals combat damage to a player, create two 1/1 red Goblin creature tokens and sacrifice Kathari Bomber.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)