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
Saw It Coming	1UU	Instant	Counter target spell. Foretell {1}{U} (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.)
Neutralize	1UU	Instant	Counter target spell. Cycling {2} ({2}, Discard this card: Draw a card.)
Fervent Denial	3UU	Instant	Counter target spell. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Traumatic Visions	3UU	Instant	Counter target spell. Basic landcycling {1}{U} ({1}{U}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
Negate	1U	Instant	Counter target noncreature spell.
Psionic Pulse	2U	Instant — Adventure	Counter target noncreature spell. (Then exile this card. You may cast the creature later from exile.)
Spite	3U	Instant	Counter target noncreature spell.
Gainsay	1U	Instant	Counter target blue spell.
Mystical Dispute	2U	Instant	This spell costs {2} less to cast if it targets a blue spell. Counter target spell unless its controller pays {3}.
Glorious Gale	1U	Instant	Counter target creature spell. If it was a legendary spell, the Ring tempts you.