Tibalt's Trickery

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

Rebuff the Wicked

Counter target spell that targets a permanent you control.

Lapse of Certainty

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Mana Tithe

Counter target spell unless its controller pays {1}.

Order of the Sacred Torch

{T}, Pay 1 life: Counter target black spell.

Red Elemental Blast

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

Green Slime

Flash
When Green Slime enters the battlefield, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent.
Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Stromgald Cabal

{T}, Pay 1 life: Counter target white spell.

Avoid Fate

Counter target instant or Aura spell that targets a permanent you control.

Artifact Blast

Bind

Counter target activated ability. (Mana abilities can't be targeted.)
Draw a card.

Withering Boon

As an additional cost to cast this spell, pay 3 life.
Counter target creature spell.

Illumination

Counter target artifact or enchantment spell. Its controller gains life equal to its mana value.

Deathgrip

Guttural Response

Burnout

Counter target instant spell if it's blue.
Draw a card at the beginning of the next turn's upkeep.