M:tG card similarity search
U · Instant
As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Erase (Not the Urza's Legacy One) | 2W | Instant | If you control two or more white permanents that share an artist, you may cast this spell without paying its mana cost. Exile target enchantment. |
| Bolas's Citadel | 3BBB | Legendary Artifact | You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life. |
| Seize the Day | 3R | Sorcery | Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Bard Class | RG | Enchantment — Class | (Gain the next level as a sorcery to add its ability.) Legendary creatures you control enter the battlefield with an additional +1/+1 counter on them. {R}{G}: Level 2 Legendary spells you cast cost {R}{G} less to cast. This effect reduces only the amount of colored mana you pay. {3}{R}{G}: Level 3 Whenever you cast a legendary spell, exile the top two cards of your library. You may play them this turn. |
| Mindswipe | XUR | Instant | Counter target spell unless its controller pays {X}. Mindswipe deals X damage to that spell's controller. |
| 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 |
| Watermarket | Land | {T}: Add {C}{C}. Spend this mana only to cast spells with watermarks. | |
| Spellwild Ouphe | 1G | Creature — Ouphe | Spells that target Spellwild Ouphe cost {2} less to cast. 1/3 |
| Essence Backlash | 2UR | Instant | Counter target creature spell. Essence Backlash deals damage equal to that spell's power to its controller. |
| Wardscale Dragon | 4WW | Creature — Dragon | Flying As long as Wardscale Dragon is attacking, defending player can't cast spells. 4/4 |