M:tG card similarity search
1U · Instant
Counter target spell if its mana value is less than or equal to the highest mana value among permanents you control.
| Name | Mana | Type | Text |
|---|---|---|---|
| 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. |
| Wave of Terror | 2B | Enchantment | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your draw step, destroy each creature with mana value equal to the number of age counters on Wave of Terror. They can't be regenerated. |
| Trinket Mage | 2U | Creature — Human Wizard | When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle. 2/2 |
| Karn's Touch | UU | Instant | Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. (It retains its abilities.) |
| Riveteers Ascendancy | BRG | Enchantment | Whenever you sacrifice a creature, you may return target creature card with lesser mana value from your graveyard to the battlefield tapped. Do this only once each turn. |
| Ranger-Captain of Eos | 1WW | Creature — Human Soldier Ranger | When Ranger-Captain of Eos enters the battlefield, you may search your library for a creature card with mana value 1 or less, reveal it, put it into your hand, then shuffle. Sacrifice Ranger-Captain of Eos: Your opponents can't cast noncreature spells this turn. 3/3 |
| Annex Sentry | 2W | Artifact Creature — Phyrexian Cleric | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Annex Sentry enters the battlefield, exile target artifact or creature an opponent controls with mana value 3 or less until Annex Sentry leaves the battlefield. 1/4 |
| Kami of Industry | 4R | Creature — Spirit | When Kami of Industry enters the battlefield, return target artifact card with mana value 3 or less from your graveyard to the battlefield. It gains haste. Sacrifice it at the beginning of the next end step. 3/6 |
| Elemental Resonance | 2GG | Enchantment — Aura | Enchant permanent At the beginning of your precombat main phase, add mana equal to enchanted permanent's mana cost. (Mana cost includes color. If a mana symbol has multiple colors, choose one.) |
| Amzu, Swarm's Hunger | 3BG | Legendary Creature — Insect Shaman | Flying, menace Other Insects you control have menace. Whenever one or more cards leave your graveyard, you may create a 1/1 black and green Insect creature token, then put a number of +1/+1 counters on it equal to the greatest mana value among those cards. Do this only once each turn. 3/3 |