M:tG card similarity search
1R · Creature — Goblin
If an opponent controls a Plains and you control a Mountain, you may cast this spell without paying its mana cost. Haste 1/1
| Name | Mana | Type | Text | 
|---|---|---|---|
| Jacob Hauken, Inspector | 1U | Legendary Creature — Human Advisor | {T}: Draw a card, then exile a card from your hand face down. You may look at that card for as long as it remains exiled. You may pay {4}{U}{U}. If you do, transform Jacob Hauken, Inspector. 0/2 | 
| Crackling Doom | RWB | Instant | Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls. | 
| Soundwave, Superior Captain | Legendary Artifact | Whenever you cast a spell with an odd mana value, convert Soundwave. If you do, create Ravage, a legendary 3/3 black Robot artifact creature token with menace and deathtouch. Whenever you cast a spell with an even mana value, convert Soundwave. If you do, create Laserbeak, a legendary 2/2 blue Robot artifact creature token with flying and hexproof. | |
| Asmoranomardicadaistinaculdacar | Legendary Creature — Human Wizard | As long as you've discarded a card this turn, you may pay {B/R} to cast this spell. When Asmoranomardicadaistinaculdacar enters the battlefield, you may search your library for a card named The Underworld Cookbook, reveal it, put it into your hand, then shuffle. Sacrifice two Foods: Target creature deals 6 damage to itself. 3/3 | |
| Open the Omenpaths | 2R | Instant | Choose one — • Add two mana of any one color and two mana of any other color. Spend this mana only to cast creature or enchantment spells. • Creatures you control get +1/+0 until end of turn. | 
| Long-Forgotten Gohei | 3 | Artifact | Arcane spells you cast cost {1} less to cast. Spirit creatures you control get +1/+1. | 
| Phyrexian Censor | 2W | Creature — Phyrexian Wizard | Each player can't cast more than one non-Phyrexian spell each turn. Non-Phyrexian creatures enter the battlefield tapped. 3/3 | 
| Plague of Vermin | 6B | Sorcery | Starting with you, each player may pay any amount of life. Repeat this process until no one pays life. Each player creates a 1/1 black Rat creature token for each 1 life they paid this way. | 
| Prism Array | 4U | Enchantment | Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it. Remove a crystal counter from Prism Array: Tap target creature. {W}{U}{B}{R}{G}: Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | 
| Morinfen | 3BB | Legendary Creature — Phyrexian Horror | Flying Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) 5/4 |