Card Codex

Ambiguity

Scryfall

2UU · Enchantment

Whenever a player plays a spell that counters a spell that has been played or a player plays a spell that comes into play with counters, that player may counter the next spell played or put an additional counter on a permanent that has already been played, but not countered.

Similar cards

Name	Mana	Type	Text
Ice Cave	3UU	Enchantment	Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.)
Showdown of the Skalds	2RW	Enchantment — Saga	(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top four cards of your library. Until the end of your next turn, you may play those cards. II, III — Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control.
Common Courtesy	2UU	Enchantment	Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.
Unified Will	1U	Instant	Counter target spell if you control more creatures than that spell's controller.
Bane's Contingency	1UU	Instant	Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.
Abjure	U	Instant	As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.
Checks and Balances	2U	Enchantment	Cast this spell only if there are three or more players in the game. Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell.
Lay Bare	2UU	Instant	Counter target spell. Look at its controller's hand.
Vex	2U	Instant	Counter target spell. That spell's controller may draw a card.
Dovin's Veto	WU	Instant	This spell can't be countered. Counter target noncreature spell.