M:tG card similarity search
XRRR · Sorcery
Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.) Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.
| Name | Mana | Type | Text |
|---|---|---|---|
| Officious Interrogation | WU | Instant | This spell costs {W}{U} more to cast for each target beyond the first. Choose any number of target players. Investigate X times, where X is the total number of creatures those players control. |
| Petalmane Baku | 1G | Creature — Spirit | Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Petalmane Baku. {1}, Remove X ki counters from Petalmane Baku: Add X mana of any one color. 1/2 |
| Wolfcaller's Howl | 3G | Enchantment | At the beginning of your upkeep, create X 2/2 green Wolf creature tokens, where X is the number of your opponents with four or more cards in hand. |
| Xenic Poltergeist | 1BB | Creature — Spirit | {T}: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 1/1 |
| Mind Maggots | 3B | Creature — Insect | When Mind Maggots enters the battlefield, discard any number of creature cards. For each card discarded this way, put two +1/+1 counters on Mind Maggots. 2/2 |
| Chasm Skulker | 2U | Creature — Squid Horror | Whenever you draw a card, put a +1/+1 counter on Chasm Skulker. When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.) 1/1 |
| Parallel Thoughts | 3UU | Enchantment | When Parallel Thoughts enters the battlefield, search your library for seven cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library. If you would draw a card, you may instead put the top card of the pile you exiled into your hand. |
| Karn's Sylex | 3 | Legendary Artifact | Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery. |
| Cabal Interrogator | 1B | Creature — Zombie Wizard | {X}{B}, {T}: Target player reveals X cards from their hand and you choose one of them. That player discards that card. Activate only as a sorcery. 1/1 |
| Mirri's Guile | G | Enchantment | At the beginning of your upkeep, you may look at the top three cards of your library, then put them back in any order. |