M:tG card similarity search
UUU · Enchantment
Cumulative upkeep {1}{U}{U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If tapped for mana, Plains produce {R}, Swamps produce {G}, Mountains produce {W}, and Forests produce {B} instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Metallic Mimic | 2 | Artifact Creature — Shapeshifter | As Metallic Mimic enters the battlefield, choose a creature type. Metallic Mimic is the chosen type in addition to its other types. Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it. 2/1 |
| Outbreak | 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. |
| Apex Observatory | 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. | |
| Roaming Throne | 4 | Artifact Creature — Golem | Ward {2} As Roaming Throne enters the battlefield, choose a creature type. Roaming Throne is the chosen type in addition to its other types. If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time. 4/4 |
| Overabundance | 1RG | Enchantment | Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and Overabundance deals 1 damage to the player. |
| Extinction | 4B | Sorcery | Destroy all creatures of the creature type of your choice. |
| Prismatic Omen | 1G | Enchantment | Lands you control are every basic land type in addition to their other types. |
| Harrier Griffin | 5W | Creature — Griffin | Flying At the beginning of your upkeep, tap target creature. 3/3 |
| Realmwright | U | Creature — Vedalken Wizard | As Realmwright enters the battlefield, choose a basic land type. Lands you control are the chosen type in addition to their other types. 1/1 |
| Horizon Stone | 5 | Artifact | If you would lose unspent mana, that mana becomes colorless instead. |