M:tG card similarity search
1 · Artifact
At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.
| Name | Mana | Type | Text |
|---|---|---|---|
| Watermarket | Land | {T}: Add {C}{C}. Spend this mana only to cast spells with watermarks. | |
| Titans' Nest | 1BGU | Enchantment | At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Exile a card from your graveyard: Add {C}. Spend this mana only to cast a spell that's one or more colors without {X} in its mana cost. |
| Scorned Villager | 1G | Creature — Human Werewolf | {T}: Add {G}. At the beginning of each upkeep, if no spells were cast last turn, transform Scorned Villager. 1/1 |
| Stolen Strategy | 4R | Enchantment | At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells. |
| Moonscarred Werewolf | Creature — Werewolf | Vigilance {T}: Add {G}{G}. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Moonscarred Werewolf. 2/2 | |
| Myr Superion | 2 | Artifact Creature — Myr | Spend only mana produced by creatures to cast this spell. 5/6 |
| Nassari, Dean of Expression | 3RR | Legendary Creature — Efreet Shaman | At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells. Whenever you cast a spell from exile, put a +1/+1 counter on Nassari, Dean of Expression. 4/4 |
| Tournament Grounds | Land | {T}: Add {C}. {T}: Add {R}, {W}, or {B}. Spend this mana only to cast a Knight or Equipment spell. | |
| Braid of Fire | 1R | Enchantment | Cumulative upkeep—Add {R}. (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.) |
| Mishra's Workshop | Land | {T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells. |