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 |
|---|---|---|---|
| Weatherseed Totem | 3 | Artifact | {T}: Add {G}. {2}{G}{G}{G}: Weatherseed Totem becomes a 5/3 green Treefolk artifact creature with trample until end of turn. When Weatherseed Totem is put into a graveyard from the battlefield, if it was a creature, return this card to its owner's hand. |
| Rakdos Keyrune | 3 | Artifact | {T}: Add {B} or {R}. {B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn. |
| Ancient Cornucopia | 2G | Artifact | Whenever you cast a spell that's one or more colors, you may gain 1 life for each of that spell's colors. Do this only once each turn. {T}: Add one mana of any color. |
| Long Rest | XGGG | Sorcery | Return X target cards with different mana values from your graveyard to your hand. If eight or more cards were returned to your hand this way, your life total becomes equal to your starting life total. Exile Long Rest. |
| Blood Celebrant | B | Creature — Human Cleric | {B}, Pay 1 life: Add one mana of any color. 1/1 |
| Mossdog | G | Creature — Plant Dog | Whenever Mossdog becomes the target of a spell or ability an opponent controls, put a +1/+1 counter on Mossdog. 1/1 |
| Servant of Tymaret | 2B | Creature — Zombie | Inspired — Whenever Servant of Tymaret becomes untapped, each opponent loses 1 life. You gain life equal to the life lost this way. {2}{B}: Regenerate Servant of Tymaret. 1/3 |
| Flywheel Racer | 2 | Artifact — Vehicle | Vigilance {T}: Add one mana of any color. Activate only if Flywheel Racer is a creature. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) 3/2 |
| Spire of Industry | Land | {T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact. | |
| Marchesa's Decree | 3B | Enchantment | When Marchesa's Decree enters the battlefield, you become the monarch. Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life. |