Gargoyle Sentinel

Defender (This creature can’t attack.)
: Until end of turn, Gargoyle Sentinel loses defender and gains flying.

Library of Alexandria

: Add .
: Draw a card. Activate this ability only if you have exactly seven cards in hand.

Enraged Revolutionary

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Prahv

If you cast a spell this turn, you can’t attack with creatures.
If you attacked with creatures this turn, you can’t cast spells.
Whenever you roll , you gain life equal to the number of cards in your hand.

Karakas

: Add .
: Return target legendary creature to its owner’s hand.

Murder of Crows

Flying
Whenever another creature dies, you may draw a card. If you do, discard a card.

Purify the Grave

Exile target card from a graveyard.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Caravan Vigil

Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.
Morbid — You may put that card onto the battlefield instead of putting it into your hand if a creature died this turn.

Tumble Magnet

Tumble Magnet enters the battlefield with three charge counters on it.
, Remove a charge counter from Tumble Magnet: Tap target artifact or creature.

Blight Mamba

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
: Regenerate Blight Mamba.

Prototype Portal

Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand.
, : Create a token that’s a copy of the exiled card. X is the converted mana cost of that card.

Gargoyle Sentinel

Defender (This creature can’t attack.)
: Until end of turn, Gargoyle Sentinel loses defender and gains flying.