M:tG card similarity search
UU · Sorcery
Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.
| Name | Mana | Type | Text |
|---|---|---|---|
| Sphere of Annihilation | XB | Artifact | Sphere of Annihilation enters the battlefield with X void counters on it. At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it. |
| Gate to the Aether | 6 | Artifact | At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield. |
| Death's Oasis | WBG | Enchantment | Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser mana value than the creature that died from your graveyard to your hand. {1}, Sacrifice Death's Oasis: You gain life equal to the highest mana value among creatures you control. |
| Celestine, the Living Saint | 4W | Legendary Creature — Human Warrior | Flying, lifelink Healing Tears — At the beginning of your end step, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn. 3/4 |
| Divide by Zero | 2U | Instant | Return target spell or permanent with mana value 1 or greater to its owner's hand. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) |
| Pre-War Formalwear | 2W | Artifact — Equipment | When Pre-War Formalwear enters the battlefield, return target creature card with mana value 3 or less from your graveyard to the battlefield and attach Pre-War Formalwear to it. Equipped creature gets +2/+2 and has vigilance. Equip {3} |
| Dramatic Entrance | 3GG | Instant | You may put a green creature card from your hand onto the battlefield. |
| Shepherd of the Clouds | 4W | Creature — Pegasus | Flying, vigilance When Shepherd of the Clouds enters the battlefield, return target permanent card with mana value 3 or less from your graveyard to your hand. Return that card to the battlefield instead if you control a Mount. 4/3 |
| Rush of Knowledge | 4U | Sorcery | Draw cards equal to the highest mana value among permanents you control. |
| Fabled Passage | Land | {T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land. |