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 |
|---|---|---|---|
| Planar Chaos | 2R | Enchantment | At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice Planar Chaos. Whenever a player casts a spell, that player flips a coin. If they lose the flip, counter that spell. |
| 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. |
| Vampiric Rites | B | Enchantment | {1}{B}, Sacrifice a creature: You gain 1 life and draw a card. |
| Witch's Cauldron | B | Artifact | {1}{B}, {T}, Sacrifice a creature: You gain 1 life and draw a card. |
| Karok Wrangler | 4G | Creature — Elf Druid | Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on target creature you control. 3/3 |
| Squealing Devil | 1R | Creature — Devil | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When Squealing Devil enters the battlefield, you may pay {X}. If you do, target creature gets +X/+0 until end of turn. When Squealing Devil enters the battlefield, sacrifice it unless {B} was spent to cast it. 2/1 |
| Alhammarret, High Arbiter | 5UU | Legendary Creature — Sphinx | Flying As Alhammarret, High Arbiter enters the battlefield, each opponent reveals their hand. You choose the name of a nonland card revealed this way. Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield). 5/5 |
| Simplify | G | Sorcery | Each player sacrifices an enchantment. |
| Divide by Zero | 2U | Instant | Return target spell or permanent with mana value 1 or greater to its owner's hand. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) |
| Vega, the Watcher | 1WU | Legendary Creature — Bird Spirit | Flying Whenever you cast a spell from anywhere other than your hand, draw a card. 2/2 |