M:tG card similarity search
1B · Instant
Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.
| Name | Mana | Type | Text |
|---|---|---|---|
| Extinction Event | 3B | Sorcery | Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.) |
| Demon's Herald | B | Creature — Human Wizard | {2}{B}, {T}, Sacrifice a blue creature, a black creature, and a red creature: Search your library for a card named Prince of Thralls, put it onto the battlefield, then shuffle. 1/1 |
| Blightwing Whelp | 2B | Creature — Phyrexian Imp | Flying Toxic 1 {B}: Blightwing Whelp gains haste until end of turn. Whenever Blightwing Whelp deals combat damage to a player, seek a card with mana value equal to the number of poison counters that player has. 2/2 |
| Sorin, Grim Nemesis | 4WB | Legendary Planeswalker — Sorin | [+1]: Reveal the top card of your library and put that card into your hand. Each opponent loses life equal to its mana value. [−X]: Sorin, Grim Nemesis deals X damage to target creature or planeswalker and you gain X life. [−9]: Create a number of 1/1 black Vampire Knight creature tokens with lifelink equal to the highest life total among all players. Loyalty 6 |
| Scholarship Sponsor | 3W | Creature — Human Advisor | When Scholarship Sponsor enters the battlefield, each player who controls fewer lands than the player who controls the most lands searches their library for a number of basic land cards less than or equal to the difference, puts those cards onto the battlefield tapped, then shuffles. 3/3 |
| Void Winnower | 9 | Creature — Eldrazi | Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values. 11/9 |
| Necrogoyf | 3BB | Creature — Lhurgoyf | Necrogoyf's power is equal to the number of creature cards in all graveyards. At the beginning of each player's upkeep, that player discards a card. Madness {1}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) */4 |
| Noxious Dragon | 4BB | Creature — Dragon | Flying When Noxious Dragon dies, you may destroy target creature with mana value 3 or less. 4/4 |
| Split Screen | 4 | Artifact | When Split Screen enters the battlefield, shuffle your library and deal it into four libraries. If anything refers to your library, choose one of your libraries for it. Play with your libraries' top cards revealed. When Split Screen leaves the battlefield, shuffle your libraries together. |
| Mass Polymorph | 5U | Sorcery | Exile all creatures you control, then reveal cards from the top of your library until you reveal that many creature cards. Put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library. |