M:tG card similarity search
UUUU · Enchantment
Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Biophagus | 1G | Creature — Human Tyranid Wizard | Genomic Enhancement — {T}: Add one mana of any color. If this mana is spent to cast a creature spell, that creature enters the battlefield with an additional +1/+1 counter on it. 1/3 |
| Seedtime | 1G | Instant | Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn. |
| Hydromorph Guardian | 2U | Creature — Elemental | {U}, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control. 2/2 |
| Ertai's Meddling | XU | Instant | X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell. |
| Lurrus of the Dream-Den | 1W/BW/B | Legendary Creature — Cat Nightmare | Companion — Each permanent card in your starting deck has mana value 2 or less. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) Lifelink Once during each of your turns, you may cast a permanent spell with mana value 2 or less from your graveyard. 3/2 |
| Interplanar Beacon | Land | Whenever you cast a planeswalker spell, you gain 1 life. {T}: Add {C}. {1}, {T}: Add two mana of different colors. Spend this mana only to cast planeswalker spells. | |
| Pillar of the Paruns | Land | {T}: Add one mana of any color. Spend this mana only to cast a multicolored spell. | |
| Angel of Eternal Dawn | 2W | Creature — Angel | Flying When Angel of Eternal Dawn enters the battlefield, it becomes day. It can't become night. Your opponents can't cast spells with mana value greater than the number of turns they have begun. 2/4 |
| Swift Silence | 2WUU | Instant | Counter all other spells. Draw a card for each spell countered this way. |
| Forger's Foundry | 2U | Artifact | {T}: Add {U}. When you spend this mana to cast an instant or sorcery spell with mana value 3 or less, you may exile that spell instead of putting it into its owner's graveyard as it resolves. {3}{U}{U}, {T}: You may cast any number of spells from among cards exiled with Forger's Foundry without paying their mana costs. Activate only as a sorcery. |