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 |
|---|---|---|---|
| Sunglasses of Urza | 3 | Artifact | You may spend white mana as though it were red mana. |
| Kozilek's Channeler | 5 | Creature — Eldrazi | {T}: Add {C}{C}. 4/4 |
| Gold Mine | Land | {T}: Add {C}. Legacy — {T}, Mark one of Gold Mine's unmarked nodes: Add one mana of any color. ☐, ☐, ☐, ☐, ☐ | |
| Panoptic Mirror | 5 | Artifact | Imprint — {X}, {T}: You may exile an instant or sorcery card with mana value X from your hand. At the beginning of your upkeep, you may copy a card exiled with Panoptic Mirror. If you do, you may cast the copy without paying its mana cost. |
| Channel | GG | Sorcery | Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}. |
| River of Tears | Land | {T}: Add {U}. If you played a land this turn, add {B} instead. | |
| Mana Confluence | Land | {T}, Pay 1 life: Add one mana of any color. | |
| Phyrexian Lens | 3 | Artifact | {T}, Pay 1 life: Add one mana of any color. |
| Standing Stones | 3 | Artifact | {1}, {T}, Pay 1 life: Add one mana of any color. |
| Contamination | 2B | Enchantment | At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount. |