M:tG card similarity search
1B · Sorcery
Until end of turn, creatures you control gain menace and "Whenever this creature deals combat damage to a player, exile the top card of that player's library face down. You may look at and play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell."
| Name | Mana | Type | Text |
|---|---|---|---|
| The Lux Foundation Library | Plane — The Library | Players have no maximum hand size. Whenever a creature you control deals combat damage to a player, you may draw a card. Whenever chaos ensues, put a shadow counter on target creature. (A creature with shadow can block or be blocked by only creatures with shadow.) | |
| Crosstown Courier | 1U | Creature — Vedalken | Whenever Crosstown Courier deals combat damage to a player, that player mills that many cards. 2/1 |
| Ruin Processor | 7 | Creature — Eldrazi Processor | When you cast this spell, you may put a card an opponent owns from exile into that player's graveyard. If you do, you gain 5 life. 7/8 |
| Dimensional Breach | 5WW | Sorcery | Exile all permanents. For as long as any of those cards remain exiled, at the beginning of each player's upkeep, that player returns one of the exiled cards they own to the battlefield. |
| Worldslayer | 5 | Artifact — Equipment | Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer. Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.) |
| Serpent's Soul-Jar | 2B | Artifact | Whenever an Elf you control dies, exile it. {T}, Pay 2 life: Until end of turn, you may cast a creature spell from among cards exiled with Serpent's Soul-Jar. |
| Spelljack | 3UUU | Instant | Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may play it without paying its mana cost for as long as it remains exiled. (If it has X in its mana cost, X is 0.) |
| Yuan-Ti Fang-Blade | 2B | Creature — Snake Rogue | Deathtouch Whenever Yuan-Ti Fang-Blade deals combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.) 2/2 |
| Soulstealer Axe | 1 | Artifact — Equipment | Equipped creature has trample. Whenever equipped creature deals combat damage to a player, seek a card with mana value equal to that damage. Equip {2} |
| Obsidian Obelisk | 2 | Artifact | Obsidian Obelisk enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a multicolored spell. |