M:tG card similarity search
3 · Legendary Artifact
If it's neither day nor night, it becomes day as The Celestus enters the battlefield. {T}: Add one mana of any color. {3}, {T}: If it's night, it becomes day. Otherwise, it becomes night. Activate only as a sorcery. Whenever day becomes night or night becomes day, you gain 1 life. You may draw a card. If you do, discard a card.
| Name | Mana | Type | Text |
|---|---|---|---|
| Diviner of Fates | WUB | Creature — Cephalid Wizard | When Diviner of Fates enters the battlefield, it connives. Whenever you discard one or more cards, seek a card that shares a card type with one of the discarded cards. This ability triggers only once each turn. 2/3 |
| Whispering Snitch | 1B | Creature — Vampire Rogue | Whenever you surveil for the first time each turn, Whispering Snitch deals 1 damage to each opponent and you gain 1 life. 1/3 |
| Mask of Memory | 2 | Artifact — Equipment | Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| Olivia, Opulent Outlaw | 1RWB | Legendary Creature — Vampire Assassin | Flying, lifelink Whenever one or more outlaws you control deal combat damage to a player, create a Treasure token. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.) {3}, Sacrifice two Treasures: Put two +1/+1 counters on each creature you control. Activate only as a sorcery. 3/3 |
| Fool's Tome | 4 | Artifact | {2}, {T}: Draw a card. Activate only if you have no cards in hand. |
| Lotus Vale | Land | If Lotus Vale would enter the battlefield, sacrifice two untapped lands instead. If you do, put Lotus Vale onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add three mana of any one color. | |
| Rogue Refiner | 1GU | Creature — Human Rogue | When Rogue Refiner enters the battlefield, draw a card and you get {E}{E} (two energy counters). 3/2 |
| Diamond Kaleidoscope | 4 | Artifact | {3}, {T}: Create a 0/1 colorless Prism artifact creature token. Sacrifice a Prism token: Add one mana of any color. |
| Tsabo's Assassin | 2BB | Creature — Phyrexian Zombie Assassin | {T}: Destroy target creature if it shares a color with the most common color among all permanents or a color tied for most common. A creature destroyed this way can't be regenerated. 1/1 |
| Ceta Sanctuary | 2U | Enchantment | At the beginning of your upkeep, if you control a red or green permanent, draw a card, then discard a card. If you control a red permanent and a green permanent, instead draw two cards, then discard a card. |