Aggressive Mining

You can’t play lands.
Sacrifice a land: Draw two cards. Activate this ability only once each turn.

Profane Memento

Whenever a creature card is put into an opponent’s graveyard from anywhere, you gain 1 life.

Keldon Necropolis

: Add .
, , Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

Bite of the Black Rose

Will of the council — Starting with you, each player votes for sickness or psychosis. If sickness gets more votes, creatures your opponents control get -2/-2 until end of turn. If psychosis gets more votes or the vote is tied, each opponent discards two cards.

Nihil Spellbomb

, Sacrifice Nihil Spellbomb: Exile all cards from target player’s graveyard.
When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Kazandu Refuge

Kazandu Refuge enters the battlefield tapped.
When Kazandu Refuge enters the battlefield, you gain 1 life.
: Add or .

Armillary Sphere

, , Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle your library.

Myr Battlesphere

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.
Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it’s attacking.

Crawlspace

No more than two creatures can attack you each combat.

Seer’s Sundial

Landfall — Whenever a land enters the battlefield under your control, you may pay . If you do, draw a card.

Esper Panorama

: Add .
, , Sacrifice Esper Panorama: Search your library for a basic Plains, Island, or Swamp card and put it onto the battlefield tapped. Then shuffle your library.

Scourgemark

Enchant creature
When Scourgemark enters the battlefield, draw a card.
Enchanted creature gets +1/+0.

Traveler’s Amulet

, Sacrifice Traveler’s Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

Kazandu Refuge

Kazandu Refuge enters the battlefield tapped.
When Kazandu Refuge enters the battlefield, you gain 1 life.
: Add or .

Artificer’s Hex

Enchant Equipment
At the beginning of your upkeep, if enchanted Equipment is attached to a creature, destroy that creature.

Vial of Poison

, Sacrifice Vial of Poison: Target creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Contagion Clasp

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature.
, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Krosan Grip

Split second (As long as this spell is on the stack, players can’t cast spells or activate abilities that aren’t mana abilities.)
Destroy target artifact or enchantment.

Cathedral of War

Cathedral of War enters the battlefield tapped.
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
: Add .