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 |
|---|---|---|---|
| Skybreen | Plane — Kaldheim | Players play with the top card of their libraries revealed. Spells that share a card type with the top card of a library can't be cast. Whenever chaos ensues, target player loses life equal to the number of cards in their hand. | |
| Crown of Convergence | 2 | Artifact | Play with the top card of your library revealed. As long as the top card of your library is a creature card, creatures you control that share a color with that card get +1/+1. {G}{W}: Put the top card of your library on the bottom of your library. |
| Interplanar Tunnel | Phenomenon | When you encounter Interplanar Tunnel, reveal cards from the top of your planar deck until you reveal five plane cards. Put a plane card from among them on top of your planar deck, then put the rest of the revealed cards on the bottom in a random order. (Then planeswalk away from this phenomenon.) | |
| Dragonlord's Prerogative | 4UU | Instant | As an additional cost to cast this spell, you may reveal a Dragon card from your hand. If you revealed a Dragon card or controlled a Dragon as you cast this spell, this spell can't be countered. Draw four cards. |
| Ziatora's Envoy | 1BRG | Creature — Viashino Warrior | Trample Whenever Ziatora's Envoy deals combat damage to a player, look at the top card of your library. You may play a land from the top of your library or cast a spell with mana value less than or equal to the damage dealt from the top of your library without paying its mana cost. If you don't, put that card into your hand. Blitz {2}{B}{R}{G} 5/4 |
| Gamekeeper | 3G | Creature — Elf | When Gamekeeper dies, you may exile it. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and put all other cards revealed this way into your graveyard. 2/2 |
| Woodvine Elemental | 4GW | Creature — Elemental | Trample Parley — Whenever Woodvine Elemental attacks, each player reveals the top card of their library. For each nonland card revealed this way, attacking creatures you control get +1/+1 until end of turn. Then each player draws a card. 4/4 |
| Undercity Informer | 2B | Creature — Human Rogue | {1}, Sacrifice a creature: Target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard. 2/3 |
| Oath of Druids | 1G | Enchantment | At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard. |
| Kavu Howler | 4GG | Creature — Kavu | When Kavu Howler enters the battlefield, reveal the top four cards of your library. Put all Kavu cards revealed this way into your hand and the rest on the bottom of your library in any order. 4/5 |