M:tG card similarity search
WUBRG · Battle — Siege
When Invasion of Alara enters the battlefield, exile cards from the top of your library until you exile two nonland cards with mana value 4 or less. You may cast one of those two cards without paying its mana cost. Put one of them into your hand. Then put the other cards exiled this way on the bottom of your library in a random order.
| Name | Mana | Type | Text |
|---|---|---|---|
| Primeval Spawn | 5WUBRG | Creature — Avatar | If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead. Vigilance, trample, lifelink When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs. 10/10 |
| Isochron Scepter | 2 | Artifact | Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost. |
| Cosmium Catalyst | 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. | |
| Epic Experiment | XUR | Sorcery | Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard. |
| Perception Bobblehead | 3 | Artifact — Bobblehead | {T}: Add one mana of any color. {3}, {T}: Look at the top X cards of your library, where X is the number of Bobbleheads you control. You may cast a spell with mana value 3 or less from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. |
| Elite Arcanist | 3U | Creature — Human Wizard | When Elite Arcanist enters the battlefield, you may exile an instant card from your hand. {X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card. 1/1 |
| Muse Vortex | XUU | Sorcery | Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order. |
| Emergent Ultimatum | BBGGGUU | Sorcery | Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that card into your library. You may cast the other cards without paying their mana costs. Exile Emergent Ultimatum. |
| Signature Spells | 4UU | Enchantment | When Signature Spells enters the battlefield, seek two instant and/or sorcery cards with mana value 3, then exile them. At the beginning of your upkeep, you may copy a card exiled with Signature Spells. You may cast the copy without paying its mana cost. |
| Kaho, Minamo Historian | 2UU | Legendary Creature — Human Wizard | When Kaho, Minamo Historian enters the battlefield, search your library for up to three instant cards, exile them, then shuffle. {X}, {T}: You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost. 2/2 |