M:tG card similarity search
2U · Artifact
{T}: Add {U}. When you spend this mana to cast an instant or sorcery spell with mana value 3 or less, you may exile that spell instead of putting it into its owner's graveyard as it resolves. {3}{U}{U}, {T}: You may cast any number of spells from among cards exiled with Forger's Foundry without paying their mana costs. Activate only as a sorcery.
| Name | Mana | Type | Text |
|---|---|---|---|
| Secret Door | U | Artifact Creature — Wall | Defender {4}{U}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.) 0/4 |
| Sphere of Annihilation | XB | Artifact | Sphere of Annihilation enters the battlefield with X void counters on it. At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it. |
| Gravestone Strider | 2 | Artifact Creature — Golem | {1}: Add one mana of any color. Activate only once each turn. {2}, Exile Gravestone Strider from your graveyard: Exile target card from a graveyard. 1/3 |
| Fatal Push | B | Instant | Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn. |
| Tariff | 1W | Sorcery | Each player sacrifices the creature they control with the highest mana value unless they pay that creature's mana cost. If two or more creatures a player controls are tied for highest, that player chooses one. |
| Sanctum of Ugin | Land | {T}: Add {C}. Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle. | |
| Laughing Jasper Flint | 1BR | Legendary Creature — Lizard Rogue | Creatures you control but don't own are Mercenaries in addition to their other types. At the beginning of your upkeep, exile the top X cards of target opponent's library, where X is the number of outlaws you control. Until end of turn, you may cast spells from among those cards, and mana of any type can be spent to cast those spells. 4/3 |
| Castle Garenbrig | Land | Castle Garenbrig enters the battlefield tapped unless you control a Forest. {T}: Add {G}. {2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures. | |
| Jace Reawakened | UU | Legendary Planeswalker — Jace | You can't cast this spell during your first, second, or third turns of the game. [+1]: Draw a card, then discard a card. [+1]: You may exile a nonland card with mana value 3 or less from your hand. If you do, it becomes plotted. [−6]: Until end of turn, whenever you cast a spell, copy it. You may choose new targets for the copy. Loyalty 3 |
| Doubling Cube | 2 | Artifact | {3}, {T}: Double the amount of each type of unspent mana you have. |