Stifle

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Saprazzan Heir

Whenever this creature becomes blocked, you may draw three cards.

Counterspell

Sunken City

At the beginning of your upkeep, sacrifice this enchantment unless you pay {U}{U}.
Blue creatures get +1/+1.

Phantom Warrior

Phyrexian Dreadnought

Trample
When this creature enters, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Propaganda

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Snap

Return target creature to its owner's hand. Untap up to two lands.

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

Daze

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.
Counter target spell unless its controller pays {1}.

Thalakos Sentry

Shadow (This creature can block or be blocked by only creatures with shadow.)

Island

Deep Analysis

Target player draws two cards.
Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)