Reach
When this creature enters, tap up to one target creature and put three stun counters on it. If you control that creature, draw two cards.

Flying, trample
Whenever this creature deals combat damage to a player, you may collect evidence X. When you do, this creature deals X damage to each creature and planeswalker that player controls. (To collect evidence X, exile cards with total mana value X or greater from your graveyard.)

Trample
Whenever you cast an Aura or Equipment spell, exile the top card of your library. You may play that card until the end of your next turn.

: This creature deals 1 damage to target creature with flying.
Whenever this creature deals damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Trample
When this creature enters, each opponent loses 3 life and you gain 3 life.

You can't cast permanent spells.
, : Add . When you next cast a spell this turn, exile cards from the top of your library until you exile an instant or sorcery card with lesser mana value. Until end of turn, you may cast that card without paying its mana cost. Put each other card exiled this way on the bottom of your library in a random order.

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.)
Pay 2 life or : Counter target red or green spell. Any player may activate this ability.

Graft 2 (This creature enters with two +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)
, : Gain control of target creature with a +1/+1 counter on it for as long as this creature remains on the battlefield.

This spell costs less to cast if a creature left the battlefield under your control this turn.
Search your library and/or graveyard for an Ally creature card, reveal it, and put it into your hand. If you search your library this way, shuffle.

, , Discard a card: Until end of turn, if you tap a land for mana, it produces one mana of a color of your choice instead of any other type and amount.

When this creature enters, exile up to two target cards from a single graveyard.
When this creature leaves the battlefield, return the exiled cards to their owner's graveyard.

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

Menace
When Massacre Girl enters, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

When this creature enters, empower Jace 1.
Planeswalkers you control aren't put into their owners' graveyards for having 0 loyalty.
Planeswalkers you control have "[+2]: This planeswalker deals 1 damage to each opponent and you gain 1 life."

Put all creatures on the bottom of their owners' libraries.

Haste
As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

, Sacrifice this artifact: Exile target player's graveyard.

Counter target spell with mana value 4 or greater.

Deathtouch
Whenever a creature you control with deathtouch attacks, each opponent loses 1 life and you gain 1 life.
Whenever a creature you control with deathtouch deals damage to a planeswalker, destroy that planeswalker.

Flying (This creature can't be blocked except by creatures with flying or reach.)
: This creature gets +1/+0 until end of turn. Activate no more than twice each turn.