M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Time Machine | 5 | Artifact | {T}: Exile Time Machine and target nontoken creature you own. Return them to the battlefield at the beginning of your upkeep on your turn X in the next game you play with one of your opponents in this game, where X is the mana value of the exiled creature. |
| Epistolary Librarian | 2WU | Creature — Astartes Wizard | Veil of Time — Whenever Epistolary Librarian attacks, you may cast a spell with mana value X or less from your hand without paying its mana cost, where X is the number of attacking creatures. 3/4 |
| Rethink | 2U | Instant | Counter target spell unless its controller pays {X}, where X is its mana value. |
| Aluren | 2GG | Enchantment | Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash. |
| Green Sun's Zenith | XG | Sorcery | Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library. |
| Cloudkill | 4BB | Sorcery | All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. |
| Visions of Dominance | 2G | Sorcery | Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it. Flashback {8}{G}{G}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Mass Manipulation | XXUUUU | Sorcery | Gain control of X target creatures and/or planeswalkers. |
| Endrek Sahr, Master Breeder | 4B | Legendary Creature — Human Wizard | Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value. When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder. 2/2 |
| Infernal Genesis | 4BB | Enchantment | At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value. |