M:tG card similarity search
4UU · Instant
Look at target opponent's sideboard. You may cast a card from that sideboard without paying its mana cost. Exile Command the Chaff.
| Name | Mana | Type | Text |
|---|---|---|---|
| Princess Luna | Legendary Creature — Alicorn | Flying When this creature transforms into Princess Luna, choose up to six cards you own from outside the game with a moon in their art, then exile those cards. As long as those cards remain exiled, you may cast them, and your friends may cast them with your permission. (Gifts are appreciated.) 4/4 | |
| North Star | 4 | Artifact | {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.) |
| Hatchery Sliver | 1G | Creature — Sliver | Replicate {1}{G} (When you cast this spell, copy it for each time you paid its replicate cost.) Each Sliver spell you cast has replicate. The replicate cost is equal to its mana cost. (A copy of a permanent spell becomes a token.) 2/2 |
| Aisha of Sparks and Smoke | 1RR | Legendary Creature — Human Warrior | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {R/W}: Aisha of Sparks and Smoke gains first strike until end of turn. Whenever Aisha deals combat damage, you may cast a sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost. 4/2 |
| Press the Enemy | 2UU | Instant | Return target spell or nonland permanent an opponent controls to its owner's hand. You may cast an instant or sorcery spell with equal or lesser mana value from your hand without paying its mana cost. |
| In Search of Greatness | GG | Enchantment | At the beginning of your upkeep, you may cast a permanent spell from your hand with mana value equal to 1 plus the highest mana value among other permanents you control without paying its mana cost. If you don't, scry 1. |
| The Great Synthesis | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter.) I — Draw cards equal to the number of cards in your hand. You have no maximum hand size for as long as you control The Great Synthesis. II — Return all non-Phyrexian creatures to their owners' hands. III — You may cast any number of spells from your hand without paying their mana costs. Exile The Great Synthesis, then return it to the battlefield (front face up). | |
| Illusionary Mask | 2 | Artifact | {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery. |
| Runeflare Trap | 4RR | Instant — Trap | If an opponent drew three or more cards this turn, you may pay {R} rather than pay this spell's mana cost. Runeflare Trap deals damage to target player equal to the number of cards in that player's hand. |
| 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. |