Card Codex

Undersimplify

1U · Instant

Choose target spell. If it's a creature spell, it perpetually gets -2/-0. Counter that spell unless its controller pays {2}.

Name	Mana	Type	Text
Soratami Savant	2UU	Creature — Moonfolk Wizard	Flying {3}, Return a land you control to its owner's hand: Counter target spell unless its controller pays {3}. 2/2
Mystic Snake	1GUU	Creature — Snake	Flash When Mystic Snake enters the battlefield, counter target spell. 2/2
Force of Negation	1UU	Instant	If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
Invoke Prejudice	UUUU	Enchantment	Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.
Scent of Brine	1U	Instant	Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way.
Dispel	U	Instant	Counter target instant spell.
Flash Counter	1U	Instant	Counter target instant spell.
Double Negative	UUR	Instant	Counter up to two target spells.
Miscast	U	Instant	Counter target instant or sorcery spell unless its controller pays {3}.
Contradict	3UU	Instant	Counter target spell. Draw a card.