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 |
|---|---|---|---|
| Corrosion | 1BR | Enchantment | Cumulative upkeep {1} (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.) At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated. When Corrosion leaves the battlefield, remove all rust counters from all permanents. |
| Counterlash | 4UU | Instant | Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost. |
| Omniscience | 7UUU | Enchantment | You may cast spells from your hand without paying their mana costs. |
| Ring of Valkas | 2 | Artifact — Equipment | Equipped creature has haste. (It can attack and {T} no matter when it came under your control.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| Manamorphose | 1R/G | Instant | Add two mana in any combination of colors. Draw a card. |
| Kumena's Awakening | 2UU | Enchantment | Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your upkeep, each player draws a card. If you have the city's blessing, instead only you draw a card. |
| Relic of Legends | 3 | Artifact | {T}: Add one mana of any color. Tap an untapped legendary creature you control: Add one mana of any color. |
| Zoetic Cavern | Land | {T}: Add {C}. Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) | |
| Firespout | 2R/G | Sorcery | Firespout deals 3 damage to each creature without flying if {R} was spent to cast this spell and 3 damage to each creature with flying if {G} was spent to cast this spell. (Do both if {R}{G} was spent.) |
| Venser's Journal | 5 | Artifact | You have no maximum hand size. At the beginning of your upkeep, you gain 1 life for each card in your hand. |