Mana Leak

Counter target spell unless its controller pays {3}.

Akroma, Angel of Wrath

Flying, first strike, vigilance, trample, haste, protection from black and from red

Exhume

Each player puts a creature card from their graveyard onto the battlefield.

Polluted Delta

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Phyrexian Arena

At the beginning of your upkeep, you draw a card and you lose 1 life.

Dark Ritual

Persecute

Choose a color. Target player reveals their hand and discards all cards of that color.

Intervene

Counter target spell that targets a creature.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Phantom Nishoba

Trample
This creature enters with seven +1/+1 counters on it.
Whenever this creature deals damage, you gain that much life.
If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.

Accumulated Knowledge

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

Engineered Plague

As this enchantment enters, choose a creature type.
All creatures of the chosen type get -1/-1.

Island

Lotus Petal

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

Reanimate

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to that card's mana value.

Chill

Careful Study

Urza's Bauble

{T}, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.