Whenever another creature or planeswalker you control dies, Massacre Girl deals 1 damage to target opponent and you gain 1 life.Whenever an opponent is dealt noncombat damage, put a +1/+1 counter on Massacre Girl.
This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.): Add . This mana can't be spent to cast spells from your hand.Create a Heartwood token. (It's a red and green artifact with ": Add or .")
: Add ., : Target creature that attacked this turn becomes prepared. Activate only as a sorcery. (Only creatures with prepare spells can become prepared.), : Target creature becomes prepared.
When Winter enters, you may sacrifice a creature or planeswalker. When you do, each opponent sacrifices a creature of their choice.Winter gets +1/+0 for each creature and planeswalker card in your graveyard.
FlyingThis creature has vigilance as long as you control a Jace planeswalker.When this creature enters, it fights up to one target creature an opponent controls. (Each deals damage equal to its power to the other.)
When Winter enters, you may sacrifice a creature or planeswalker. When you do, each opponent sacrifices a creature of their choice.Winter gets +1/+0 for each creature and planeswalker card in your graveyard.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.), Exile this card from your graveyard: Tap target creature and put a stun counter on it. Activate only as a sorcery. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Defender, flying, vigilanceAs long as you've scried or surveilled this turn, this creature can attack as though it didn't have defender.: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)