M:tG card similarity search
1U · Artifact — Clue
As Ominous Lockbox enters the battlefield, secretly choose a number between 1 and 20. When an opponent casts a spell with mana value equal to the chosen number, sacrifice Ominous Lockbox. If you do, copy that spell, and you may choose new targets for the copy. {2}, Sacrifice Ominous Lockbox: Draw a card.
| Name | Mana | Type | Text |
|---|---|---|---|
| Five Hundred Year Diary | 3U | Legendary Artifact — Clue | Five Hundred Year Diary enters the battlefield tapped. {T}: Add {U} for each Clue you control. {2}, Sacrifice Five Hundred Year Diary: Draw a card. |
| Prohibit | 1U | Instant | Kicker {2} (You may pay an additional {2} as you cast this spell.) Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead. |
| Prismari Apprentice | UR | Creature — Human Shaman | Magecraft — Whenever you cast or copy an instant or sorcery spell, Prismari Apprentice can't be blocked this turn. If that spell has mana value 5 or greater, put a +1/+1 counter on Prismari Apprentice. 2/2 |
| 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. |
| Mythos of Snapdax | 2WW | Sorcery | Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If {B}{R} was spent to cast this spell, you choose the permanents for each player instead. |
| Elite Arcanist | 3U | Creature — Human Wizard | When Elite Arcanist enters the battlefield, you may exile an instant card from your hand. {X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card. 1/1 |
| Littjara Mirrorlake | Land | Littjara Mirrorlake enters the battlefield tapped. {T}: Add {U}. {2}{G}{G}{U}, {T}, Sacrifice Littjara Mirrorlake: Create a token that's a copy of target creature you control, except it enters the battlefield with an additional +1/+1 counter on it. Activate only as a sorcery. | |
| True-Name Nemesis | 1UU | Creature — Merfolk Rogue | As True-Name Nemesis enters the battlefield, choose a player. True-Name Nemesis has protection from the chosen player. 3/1 |
| Reidane, God of the Worthy | 2W | Legendary Creature — God | Flying, vigilance Snow lands your opponents control enter the battlefield tapped. Noncreature spells your opponents cast with mana value 4 or greater cost {2} more to cast. 2/3 |
| Longhorn Firebeast | 2R | Creature — Elemental Ox Beast | When Longhorn Firebeast enters the battlefield, any opponent may have it deal 5 damage to them. If a player does, sacrifice Longhorn Firebeast. 3/2 |