M:tG card similarity search
1 · Artifact
At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.
| Name | Mana | Type | Text |
|---|---|---|---|
| Grenzo, Havoc Raiser | RR | Legendary Creature — Goblin Rogue | Whenever a creature you control deals combat damage to a player, choose one — • Goad target creature that player controls. • Exile the top card of that player's library. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. 2/2 |
| Complex Automaton | 4 | Artifact Creature — Golem | At the beginning of your upkeep, if you control seven or more permanents, return Complex Automaton to its owner's hand. 4/4 |
| Bank Job | 1BR | Enchantment | At the beginning of your upkeep, exile the bottom creature card of your library. You may cast that card this turn. At the beginning of the next end step, if that card is still exiled, put it into your graveyard and create a Treasure token. |
| Lord of the Forsaken | 4BB | Creature — Demon | Flying, trample {B}, Sacrifice another creature: Target player mills three cards. Pay 1 life: Add {C}. Spend this mana only to cast a spell from your graveyard. 6/6 |
| Magus of the Tabernacle | 3W | Creature — Human Wizard | All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}." 2/6 |
| Elder Spawn | 4UUU | Creature — Spawn | At the beginning of your upkeep, unless you sacrifice an Island, sacrifice Elder Spawn and it deals 6 damage to you. Elder Spawn can't be blocked by red creatures. 6/6 |
| River Song's Diary | 3 | Artifact | Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost. |
| Omnath, Locus of All | WUB/PRG | Legendary Creature — Phyrexian Elemental | If you would lose unspent mana, that mana becomes black instead. At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand. 4/4 |
| Rage Extractor | 4R/P | Artifact | ({R/P} can be paid with either {R} or 2 life.) Whenever you cast a spell with {P} in its mana cost, Rage Extractor deals damage equal to that spell's mana value to any target. |
| Cankerous Thirst | 3B/G | Instant | If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if {B}{G} was spent.) |