M:tG card similarity search
1UU · Instant
Raid — If you attacked this turn, you may pay {U} rather than pay this spell's mana cost. Counter target spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| When | 2U | Instant | Counter target creature spell. |
| Ertai, Wizard Adept | 2U | Legendary Creature — Human Wizard | {2}{U}{U}, {T}: Counter target spell. 1/1 |
| Idol of Endurance | 2W | Artifact | When Idol of Endurance enters the battlefield, exile all creature cards with mana value 3 or less from your graveyard until Idol of Endurance leaves the battlefield. {1}{W}, {T}: Until end of turn, you may cast a creature spell from among cards exiled with Idol of Endurance without paying its mana cost. |
| Apothecary Initiate | W | Creature — Kithkin Cleric | Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life. 1/1 |
| Dispel | U | Instant | Counter target instant spell. |
| Flash Counter | 1U | Instant | Counter target instant spell. |
| Render Silent | WUU | Instant | Counter target spell. Its controller can't cast spells this turn. |
| Minds Aglow | U | Sorcery | Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way. |
| Hazoret's Undying Fury | 4RR | Sorcery | Shuffle your library, then exile the top four cards. You may cast any number of spells with mana value 5 or less from among them without paying their mana costs. Lands you control don't untap during your next untap step. |
| Arcum's Whistle | 3 | Artifact | {3}, {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay {X}, where X is that mana value. If they don't pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack this turn. Activate only before attackers are declared. |