M:tG card similarity search
3 · Artifact
At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.
| Name | Mana | Type | Text |
|---|---|---|---|
| Body of Research | GGGUUU | Sorcery | Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of cards in your library. |
| Scent of Ivy | G | Instant | Reveal any number of green cards in your hand. Target creature gets +X/+X until end of turn, where X is the number of cards revealed this way. |
| Spontaneous Mutation | U | Enchantment — Aura | Flash Enchant creature Enchanted creature gets -X/-0, where X is the number of cards in your graveyard. |
| Undercity Upheaval | 1GG | Sorcery | Undergrowth — Distribute X +1/+1 counters among any number of target creatures you control, where X is the number of creature cards in your graveyard as you cast this spell. Creatures you control gain vigilance until end of turn. |
| Time Machine | 5 | Artifact | {T}: Exile Time Machine and target nontoken creature you own. Return them to the battlefield at the beginning of your upkeep on your turn X in the next game you play with one of your opponents in this game, where X is the mana value of the exiled creature. |
| Hollow Specter | 1BB | Creature — Specter | Flying Whenever Hollow Specter deals combat damage to a player, you may pay {X}. If you do, that player reveals X cards from their hand and you choose one of them. That player discards that card. 2/2 |
| Oboro Envoy | 3U | Creature — Moonfolk Wizard | Flying {2}, Return a land you control to its owner's hand: Target creature gets -X/-0 until end of turn, where X is the number of cards in your hand. 1/3 |
| Energy Vortex | 3UU | Enchantment | As Energy Vortex enters the battlefield, choose an opponent. At the beginning of your upkeep, remove all vortex counters from Energy Vortex. At the beginning of the chosen player's upkeep, Energy Vortex deals 3 damage to that player unless they pay {1} for each vortex counter on Energy Vortex. {X}: Put X vortex counters on Energy Vortex. Activate only during your upkeep. |
| Nicol Bolas | 2UUBBRR | Legendary Creature — Elder Dragon | Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that player discards their hand. 7/7 |
| Sardian Cliffstomper | 1R | Creature — Minotaur Barbarian | As long as it's your turn and you control four or more Mountains, Sardian Cliffstomper gets +X/+0, where X is the number of Mountains you control. 0/4 |