M:tG card similarity search
UU · Enchantment
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.
| Name | Mana | Type | Text |
|---|---|---|---|
| Damping Sphere | 2 | Artifact | If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn. |
| Flamekin Harbinger | R | Creature — Elemental Shaman | When Flamekin Harbinger enters the battlefield, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top. 1/1 |
| Dance with Calamity | 7R | Sorcery | Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs. |
| Tavern Brawler | 2R | Legendary Enchantment — Background | Commander creatures you own have "At the beginning of your upkeep, exile the top card of your library. This creature gets +X/+0 until end of turn, where X is that card's mana value. You may play that card this turn." |
| Neurok Familiar | 1U | Creature — Bird | Flying When Neurok Familiar enters the battlefield, reveal the top card of your library. If it's an artifact card, put it into your hand. Otherwise, put it into your graveyard. 1/1 |
| Pirate's Landing | R | Sorcery | Draw a card. If mana from a Treasure was spent to cast this spell, seek a Pirate card instead. |
| Tidal Barracuda | 3U | Creature — Fish | Any player may cast spells as though they had flash. Your opponents can't cast spells during your turn. 3/4 |
| Silent Extraction | GU | Instant | Choose target spell. Counter that spell unless its controller pays {2}. Threshold — If seven or more cards are in your graveyard, seek a creature card with the same mana value as the chosen spell. |
| Veiled Sentry | U | Enchantment | When an opponent casts a spell, if Veiled Sentry is an enchantment, Veiled Sentry becomes an Illusion creature with power and toughness each equal to that spell's mana value. |
| Sphinx of Uthuun | 5UU | Creature — Sphinx | Flying When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. 5/6 |