M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Rakdos, Lord of Riots | BBRR | Legendary Creature — Demon | You can't cast this spell unless an opponent lost life this turn. Flying, trample Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn. 6/6 |
| Shimmer Myr | 3 | Artifact Creature — Myr | Flash You may cast artifact spells as though they had flash. 2/2 |
| Priority Avenger | 3W | Creature — Bird Wizard | Flying Players can't cast instant spells unless a spell or ability is on the stack. 3/4 |
| Flux Channeler | 2U | Creature — Human Wizard | Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) 2/2 |
| Torrent of Souls | 4B/R | Sorcery | Return up to one target creature card from your graveyard to the battlefield if {B} was spent to cast this spell. Creatures target player controls get +2/+0 and gain haste until end of turn if {R} was spent to cast this spell. (Do both if {B}{R} was spent.) |
| Glimpse of Nature | G | Sorcery | Whenever you cast a creature spell this turn, draw a card. |
| Xantid Swarm | G | Creature — Insect | Flying Whenever Xantid Swarm attacks, defending player can't cast spells this turn. 0/1 |
| Mana Breach | 2U | Enchantment | Whenever a player casts a spell, that player returns a land they control to its owner's hand. |
| Frazzle | 3U | Instant | Counter target nonblue spell. |
| Teferi's Contingency | WUU | Instant | Counter target spell. Each card in its controller's graveyard, hand, and library with the same name as that spell perpetually gains "This spell costs {2} more to cast." |