M:tG card similarity search
· Artifact
Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it. {T}: The next spell you cast this turn of the chosen type can be cast without paying its mana cost.
| Name | Mana | Type | Text |
|---|---|---|---|
| Doom Cannon | 6 | Artifact | As Doom Cannon enters the battlefield, choose a creature type. {3}, {T}, Sacrifice a creature of the chosen type: Doom Cannon deals 3 damage to any target. |
| Rashmi and Ragavan | 1GUR | Legendary Creature — Elf Monkey | Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure token. Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn. 2/4 |
| Rushwood Legate | 2G | Creature — Dryad | If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost. 2/1 |
| The Tomb of Aclazotz | Legendary Land — Cave | (Transforms from Tarrian's Journal.) {T}: Add {B}. {T}: You may cast a creature spell from your graveyard this turn. If you do, it enters the battlefield with a finality counter on it and is a Vampire in addition to its other types. (If a creature with a finality counter on it would die, exile it instead.) | |
| Damping Sphere | 2 | Artifact | If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn. |
| Narset, Enlightened Master | 3URW | Legendary Creature — Human Monk | First strike, hexproof Whenever Narset, Enlightened Master attacks, exile the top four cards of your library. Until end of turn, you may cast noncreature spells from among those cards without paying their mana costs. 3/2 |
| Shell of the Last Kappa | 3 | Legendary Artifact | {3}, {T}: Exile target instant or sorcery spell that targets you. (The spell has no effect.) {3}, {T}, Sacrifice Shell of the Last Kappa: You may cast a spell from among cards exiled with Shell of the Last Kappa without paying its mana cost. |
| 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. |
| Worldheart Phoenix | 3R | Creature — Phoenix | Flying You may cast Worldheart Phoenix from your graveyard by paying {W}{U}{B}{R}{G} rather than paying its mana cost. If you do, it enters the battlefield with two +1/+1 counters on it. 2/2 |
| Cavern of Souls | Land | As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered. |