M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Firemind's Foresight | 5UR | Instant | Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle. |
| Amy's Home | Plane — Earth | When you planeswalk to Amy's Home and at the beginning of your upkeep, you may exile a nonland card from your hand with a number of time counters on it equal to its mana value. If it doesn't have suspend, it gains suspend. Whenever chaos ensues, time travel. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.) | |
| Timesifter | 5 | Artifact | At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the highest mana value takes an extra turn after this one. If two or more players' cards are tied for highest, the tied players repeat this process until the tie is broken. |
| Rooftop Storm | 5U | Enchantment | You may pay {0} rather than pay the mana cost for Zombie creature spells you cast. |
| Force of Despair | 1BB | Instant | If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost. Destroy all creatures that entered the battlefield this turn. |
| Darksteel Monolith | 8 | Artifact | Indestructible Once each turn, you may pay {0} rather than pay the mana cost for a colorless spell that you cast from your hand. |
| Zaffai, Thunder Conductor | 2UR | Legendary Creature — Human Shaman | Magecraft — Whenever you cast or copy an instant or sorcery spell, scry 1. If that spell's mana value is 5 or greater, create a 4/4 blue and red Elemental creature token. If that spell's mana value is 10 or greater, Zaffai, Thunder Conductor deals 10 damage to an opponent chosen at random. 1/4 |
| Rally the Ancestors | XWW | Instant | Return each creature card with mana value X or less from your graveyard to the battlefield. Exile those creatures at the beginning of your next upkeep. Exile Rally the Ancestors. |
| Brilliant Ultimatum | WWUUUBB | Sorcery | Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost. |
| Primal Wellspring | Land | (Transforms from Primal Amulet.) {T}: Add one mana of any color. When that mana is spent to cast an instant or sorcery spell, copy that spell and you may choose new targets for the copy. |