M:tG card similarity search
3B · Sorcery
You may discard a Swamp card rather than pay this spell's mana cost. Choose a creature type. All creatures of that type get -1/-1 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Submerge | 4U | Instant | If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of its owner's library. |
| Ubul Sar Gatekeepers | 3B | Creature — Zombie Soldier | When Ubul Sar Gatekeepers enters the battlefield, if you control two or more Gates, target creature an opponent controls gets -2/-2 until end of turn. 2/4 |
| Blight-Breath Catoblepas | 4BB | Creature — Beast | When Blight-Breath Catoblepas enters the battlefield, target creature an opponent controls gets -X/-X until end of turn, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) 3/2 |
| The Seventh Doctor | 3WU | Legendary Creature — Time Lord Doctor | Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 3/6 |
| Hatchery Sliver | 1G | Creature — Sliver | Replicate {1}{G} (When you cast this spell, copy it for each time you paid its replicate cost.) Each Sliver spell you cast has replicate. The replicate cost is equal to its mana cost. (A copy of a permanent spell becomes a token.) 2/2 |
| Defiler of Dreams | 3UU | Creature — Phyrexian Sphinx | Flying As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay. Whenever you cast a blue permanent spell, draw a card. 4/3 |
| Burrog Befuddler | 1U | Creature — Frog Wizard | Flash When Burrog Befuddler enters the battlefield, target creature an opponent controls gets -1/-0 until end of turn. 2/1 |
| Guile | 3UUU | Creature — Elemental Incarnation | Guile can't be blocked except by three or more creatures. If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost. When Guile is put into a graveyard from anywhere, shuffle it into its owner's library. 6/6 |
| Strength of Unity | 3W | Enchantment — Aura | Enchant creature Domain — Enchanted creature gets +1/+1 for each basic land type among lands you control. |
| Rolling Spoil | 2GG | Sorcery | Destroy target land. If {B} was spent to cast this spell, all creatures get -1/-1 until end of turn. |