Bottomless Pit

At the beginning of each player’s upkeep, that player discards a card at random.

Leap

Target creature gains flying until end of turn.
Draw a card.

Portcullis

Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner’s control when Portcullis leaves the battlefield.

Endangered Armodon

When you control a creature with toughness 2 or less, sacrifice Endangered Armodon.

Crossbow Ambush

Creatures you control gain reach until end of turn. (They can block creatures with flying.)

Commander Greven il-Vec

Fear (This creature can’t be blocked except by artifact creatures and/or black creatures.)
When Commander Greven il-Vec enters the battlefield, sacrifice a creature.

Elven Warhounds

Whenever Elven Warhounds becomes blocked by a creature, put that creature on top of its owner’s library.

Pegasus Refuge

, Discard a card: Create a 1/1 white Pegasus creature token with flying.

Mounted Archers

Reach (This creature can block creatures with flying.)
: Mounted Archers can block an additional creature this turn.

Soltari Trooper

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever Soltari Trooper attacks, it gets +1/+1 until end of turn.

Forsaken Wastes

Players can’t gain life.
At the beginning of each player’s upkeep, that player loses 1 life.
Whenever Forsaken Wastes becomes the target of a spell, that spell’s controller loses 5 life.

Volunteer Reserves

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)
Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Tariff

Each player sacrifices the creature they control with the highest converted mana cost unless they pay that creature’s mana cost. If two or more creatures a player controls are tied for highest cost, that player chooses one.

Pillaging Horde

When Pillaging Horde enters the battlefield, sacrifice it unless you discard a card at random.

Cruel Tutor

Search your library for a card, then shuffle your library and put that card on top of it. You lose 2 life.

Steadfastness

Creatures you control get +0/+3 until end of turn.

Sidar Kondo

: Target creature gets +3/+3 until end of turn.

Charging Paladin

Whenever Charging Paladin attacks, it gets +0/+3 until end of turn.

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
: Pestilence deals 1 damage to each creature and each player.

Personal Incarnation

: The next 1 damage that would be dealt to Personal Incarnation this turn is dealt to its owner instead. Only Personal Incarnation’s owner may activate this ability.
When Personal Incarnation dies, its owner loses half their life, rounded up.