M:tG card similarity search
· Artifact
{1}{R}, {T}: Choose an exiled card used to craft Cosmium Catalyst at random. You may cast that card without paying its mana cost.
| Name | Mana | Type | Text |
|---|---|---|---|
| Ruthless Sniper | B | Creature — Human Archer | Whenever you cycle or discard a card, you may pay {1}. If you do, put a -1/-1 counter on target creature. 1/2 |
| Withering Boon | 1B | Instant | As an additional cost to cast this spell, pay 3 life. Counter target creature spell. |
| Chandra's Regulator | 1R | Legendary Artifact | Whenever you activate a loyalty ability of a Chandra planeswalker, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy. {1}, {T}, Discard a Mountain card or a red card: Draw a card. |
| Clone Crafter | 1U | Creature — Human Wizard | When Clone Crafter enters the battlefield, conjure a duplicate of a random creature card from your opponent's library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 1/2 |
| Memory Leak | 2B | Sorcery | Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. Cycling {1} ({1}, Discard this card: Draw a card.) |
| Ivory Cup | 1 | Artifact | Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life. |
| Cemetery Puca | 1U/BU/B | Creature — Shapeshifter | Whenever a creature dies, you may pay {1}. If you do, Cemetery Puca becomes a copy of that creature, except it has this ability. 1/2 |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Thryx, the Sudden Storm | 3UU | Legendary Creature — Elemental Giant | Flash Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered. 4/5 |
| Conduit of Ruin | 6 | Creature — Eldrazi | When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top. The first creature spell you cast each turn costs {2} less to cast. 5/5 |