M:tG card similarity search
2BR · Enchantment
At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Errant Minion | 2U | Enchantment — Aura | Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player may pay any amount of mana. Errant Minion deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way. |
| Kindle the Carnage | 1RR | Sorcery | Discard a card at random. If you do, Kindle the Carnage deals damage equal to that card's mana value to each creature. You may repeat this process any number of times. |
| Death's Oasis | WBG | Enchantment | Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser mana value than the creature that died from your graveyard to your hand. {1}, Sacrifice Death's Oasis: You gain life equal to the highest mana value among creatures you control. |
| Tablet of the Guilds | 2 | Artifact | As Tablet of the Guilds enters the battlefield, choose two colors. Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the chosen colors it is. |
| Power Leak | 1U | Enchantment — Aura | Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way. |
| Powder Keg | 2 | Artifact | At the beginning of your upkeep, you may put a fuse counter on Powder Keg. {T}, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg. |
| Psychic Battle | 3UU | Enchantment | Whenever a player chooses one or more targets, each player reveals the top card of their library. The player who reveals the card with the highest mana value may change the target or targets. If two or more cards are tied for highest, the target or targets remain unchanged. Changing targets this way doesn't trigger abilities of permanents named Psychic Battle. |
| Lashweed Lurker | 8 | Creature — Eldrazi Horror | Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, you may put target nonland permanent on top of its owner's library. 5/4 |
| Winnower Patrol | 2G | Creature — Elf Warrior | Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Winnower Patrol, you may reveal it. If you do, put a +1/+1 counter on Winnower Patrol. 3/2 |
| Mirrored Lotus | 0 | Artifact | Reflect {0} (As this enters the battlefield, each opponent may pay {0}. When they do, they create a token copy of this except it lacks this ability.) {T}, Exile Mirrored Lotus: Add three mana of any one color. |