M:tG card similarity search
1U · Artifact — Equipment
When equipped creature deals combat damage to a player, sacrifice Mystery Key. If you do, draw three cards. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Karma | 2WW | Enchantment | At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control. |
| Thing from the Deep | 6UUU | Creature — Leviathan | Whenever Thing from the Deep attacks, sacrifice it unless you sacrifice an Island. 9/9 |
| Impulsive Charge | Sorcery | At the beginning of combat this turn, all Revelers gain haste until end of turn and attack this combat if able. | |
| Colfenor's Urn | 3 | Artifact | Whenever a creature with toughness 4 or greater is put into your graveyard from the battlefield, you may exile it. At the beginning of the end step, if three or more cards have been exiled with Colfenor's Urn, sacrifice it. If you do, return those cards to the battlefield under their owner's control. |
| Acidic Soil | 2R | Sorcery | Acidic Soil deals damage to each player equal to the number of lands they control. |
| Mardu Blazebringer | 2R | Creature — Ogre Warrior | When Mardu Blazebringer attacks or blocks, sacrifice it at end of combat. 4/4 |
| Pitiless Carnage | 3B | Sorcery | Sacrifice any number of permanents you control, then draw that many cards. Plot {1}{B}{B} (You may pay {1}{B}{B} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.) |
| Mirri's Guile | G | Enchantment | At the beginning of your upkeep, you may look at the top three cards of your library, then put them back in any order. |
| Burning Earth | 3R | Enchantment | Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player. |
| Landslide | R | Sorcery | Sacrifice any number of Mountains. Landslide deals that much damage to target player or planeswalker. |