M:tG card similarity search
1RR · Enchantment
{X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.
| Name | Mana | Type | Text |
|---|---|---|---|
| Cloudhoof Kirin | 3UU | Legendary Creature — Kirin Spirit | Flying Whenever you cast a Spirit or Arcane spell, you may have target player mill X cards, where X is that spell's mana value. 4/4 |
| Dispersal Shield | 1U | Instant | Counter target spell if its mana value is less than or equal to the highest mana value among permanents you control. |
| Dwarven Shrine | 1RR | Enchantment | Whenever a player casts a spell, Dwarven Shrine deals X damage to that player, where X is twice the number of cards in all graveyards with the same name as that spell. |
| Gruesome Menagerie | 3BB | Sorcery | Choose a creature card with mana value 1 in your graveyard, then do the same for creature cards with mana value 2 and 3. Return those cards to the battlefield. |
| Magmatic Core | 2RR | 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 end step, Magmatic Core deals X damage divided as you choose among any number of target creatures, where X is the number of age counters on it. |
| Genesis Wave | XGGG | Sorcery | Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard. |
| Cascade Seer | 3U | Creature — Merfolk Wizard | When Cascade Seer enters the battlefield, scry X, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) 3/3 |
| Hoard-Smelter Dragon | 4RR | Creature — Dragon | Flying {3}{R}: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's mana value. 5/5 |
| An-Havva Inn | 1GG | Sorcery | You gain X plus 1 life, where X is the number of green creatures on the battlefield. |
| Rethink | 2U | Instant | Counter target spell unless its controller pays {X}, where X is its mana value. |