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 |
|---|---|---|---|
| Clifftop Retreat | Land | Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}. | |
| Ajani's Pridemate | 1W | Creature — Cat Soldier | Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate. 2/2 |
| Skyboon Evangelist | 4W | Creature — Bird Advisor | Flying When Skyboon Evangelist enters the battlefield, support 6. (Put a +1/+1 counter on each of up to six other target creatures.) Whenever a creature with a counter on it attacks one of your opponents, that creature gains flying until end of turn. 3/3 |
| Sasaya's Essence | Legendary Enchantment | Whenever a land you control is tapped for mana, add an additional one mana of any type that land produced for each other land you control with the same name as it. | |
| Merchant Ship | U | Creature — Human | Merchant Ship can't attack unless defending player controls an Island. Whenever Merchant Ship attacks and isn't blocked, you gain 2 life. When you control no Islands, sacrifice Merchant Ship. 0/2 |
| Sunscorched Desert | Land — Desert | When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker. {T}: Add {C}. | |
| Ognis, the Dragon's Lash | 1B/RRR/G | Legendary Creature — Viashino Warrior | Haste Whenever a creature you control with haste attacks, create a tapped Treasure token. 3/3 |
| Despair | 1B | Sorcery | Aftermath (Cast this spell only from your graveyard. Then exile it.) Until end of turn, creatures you control gain menace and "Whenever this creature deals combat damage to a player, that player discards a card." |
| Richard Garfield, Ph.D. | 3UU | Legendary Creature — Human Designer | You may play cards as though they were other cards of your choice with the same mana cost. You can't choose the same card twice. (Mana cost includes color.) 2/2 |
| Xanathar, Guild Kingpin | 4UB | Legendary Creature — Beholder | At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. 5/6 |