M:tG card similarity search
2U · Enchantment
Cumulative upkeep {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.) Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.
| Name | Mana | Type | Text |
|---|---|---|---|
| Oaken Siren | 1U | Artifact Creature — Siren Pirate | Flying, vigilance {T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source. 1/2 |
| Bountiful Promenade | Land | Bountiful Promenade enters the battlefield tapped unless you have two or more opponents. {T}: Add {G} or {W}. | |
| Luxury Suite | Land | Luxury Suite enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {R}. | |
| Morphic Pool | Land | Morphic Pool enters the battlefield tapped unless you have two or more opponents. {T}: Add {U} or {B}. | |
| Rejuvenating Springs | Land | Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents. {T}: Add {G} or {U}. | |
| Sea of Clouds | Land | Sea of Clouds enters the battlefield tapped unless you have two or more opponents. {T}: Add {W} or {U}. | |
| Spectator Seating | Land | Spectator Seating enters the battlefield tapped unless you have two or more opponents. {T}: Add {R} or {W}. | |
| Spire Garden | Land | Spire Garden enters the battlefield tapped unless you have two or more opponents. {T}: Add {R} or {G}. | |
| Training Center | Land | Training Center enters the battlefield tapped unless you have two or more opponents. {T}: Add {U} or {R}. | |
| Undergrowth Stadium | Land | Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {G}. |