Primal Surge

Exile the top card of your library. If it’s a permanent card, you may put it onto the battlefield. If you do, repeat this process.

Howlgeist

Creatures with power less than Howlgeist’s power can’t block it.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner’s control with a +1/+1 counter on it.)

Village Survivors

Vigilance
Fateful hour — As long as you have 5 or less life, other creatures you control have vigilance.

Séance

At the beginning of each upkeep, you may exile target creature card from your graveyard. If you do, create a token that’s a copy of that card, except it’s a Spirit in addition to its other types. Exile it at the beginning of the next end step.

Forbidden Alchemy

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Cackling Counterpart

Create a token that’s a copy of target creature you control.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Ogre Menial

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
: Ogre Menial gets +1/+0 until end of turn.

Fallen Ferromancer

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
, : Fallen Ferromancer deals 1 damage to any target.

Mycosynth Wellspring

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

Omen Machine

Players can’t draw cards.
At the beginning of each player’s draw step, that player exiles the top card of their library. If it’s a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.

Magnetic Mine

Whenever another artifact is put into a graveyard from the battlefield, Magnetic Mine deals 2 damage to that artifact’s controller.

Green Sun’s Zenith

Search your library for a green creature card with converted mana cost X or less, put it onto the battlefield, then shuffle your library. Shuffle Green Sun’s Zenith into its owner’s library.

Barrage Ogre

, Sacrifice an artifact: Barrage Ogre deals 2 damage to any target.

Razor Hippogriff

Flying
When Razor Hippogriff enters the battlefield, return target artifact card from your graveyard to your hand. You gain life equal to that card’s converted mana cost.

Heavy Arbalest

Equipped creature doesn’t untap during its controller’s untap step.
Equipped creature has “: This creature deals 2 damage to any target.”
Equip

Skinrender

When Skinrender enters the battlefield, put three -1/-1 counters on target creature.

Ogre Geargrabber

Whenever Ogre Geargrabber attacks, gain control of target Equipment an opponent controls until end of turn. Attach it to Ogre Geargrabber. When you lose control of that Equipment, unattach it.