M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Grell Philosopher | 2U | Creature — Horror Wizard | Aberrant Tinkering — When Grell Philosopher enters the battlefield and at the beginning of your upkeep, each Horror you control gains all activated abilities of target artifact an opponent controls until end of turn. You may spend blue mana as though it were mana of any color to activate those abilities. 1/4 |
| R&D's Secret Lair | Legendary Land | Play cards as written. Ignore all errata. {T}: Add {C}. (This mana is still added to your mana pool.) | |
| Seht's Tiger | 2WW | Creature — Cat | Flash (You may cast this spell any time you could cast an instant.) When Seht's Tiger enters the battlefield, you gain protection from the color of your choice until end of turn. (You can't be targeted, dealt damage, or enchanted by anything of the chosen color.) 3/3 |
| Zombie Boa | 4B | Creature — Zombie Snake | {1}{B}: Choose a color. Whenever Zombie Boa becomes blocked by a creature of that color this turn, destroy that creature. Activate only as a sorcery. 3/3 |
| Diamond Knight | 3 | Artifact Creature — Knight | Vigilance (Attacking doesn't cause this creature to tap.) As Diamond Knight enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight. 1/1 |
| Curse of Hospitality | 2R | Enchantment — Aura Curse | Enchant player Creatures attacking enchanted player have trample. Whenever a creature deals combat damage to enchanted player, that player exiles the top card of their library. Until end of turn, that creature's controller may play that card and they may spend mana as though it were mana of any color to cast that spell. |
| Aven Warcraft | 2W | Instant | Creatures you control get +0/+2 until end of turn. Threshold — If seven or more cards are in your graveyard, choose a color. Creatures you control also gain protection from the chosen color until end of turn. |
| Qarsi Deceiver | 1U | Creature — Naga Wizard | {T}: Add {C}. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.) 0/4 |
| Author of Shadows | 4B | Creature — Shade Warlock | When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast 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. 3/3 |
| Riven Turnbull | 5UB | Legendary Creature — Human Advisor | {T}: Add {B}. 5/7 |