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 |
|---|---|---|---|
| Orzhov Cluestone | 3 | Artifact | {T}: Add {W} or {B}. {W}{B}, {T}, Sacrifice Orzhov Cluestone: Draw a card. |
| Rakdos Cluestone | 3 | Artifact | {T}: Add {B} or {R}. {B}{R}, {T}, Sacrifice Rakdos Cluestone: Draw a card. |
| Selesnya Cluestone | 3 | Artifact | {T}: Add {G} or {W}. {G}{W}, {T}, Sacrifice Selesnya Cluestone: Draw a card. |
| Simic Cluestone | 3 | Artifact | {T}: Add {G} or {U}. {G}{U}, {T}, Sacrifice Simic Cluestone: Draw a card. |
| Sultai Banner | 3 | Artifact | {T}: Add {B}, {G}, or {U}. {B}{G}{U}, {T}, Sacrifice Sultai Banner: Draw a card. |
| Temur Banner | 3 | Artifact | {T}: Add {G}, {U}, or {R}. {G}{U}{R}, {T}, Sacrifice Temur Banner: Draw a card. |
| Nashi, Moon's Legacy | BGU | Legendary Creature — Rat Shaman | Menace, ward {1} Whenever Nashi, Moon's Legacy attacks, exile up to one target legendary or Rat card from your graveyard and copy it. You may cast the copy. (You still pay its costs. A copy of a permanent spell becomes a token.) 3/4 |
| Herald of Ilharg | 2RG | Creature — Boar Beast | Trample Whenever you cast a creature spell, put two +1/+1 counters on Herald of Ilharg. If that spell has mana value 5 or greater, Herald of Ilharg deals damage equal to the number of counters on it to each opponent. 3/3 |
| Credit Voucher | 2 | Artifact | {2}, {T}, Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards. |
| Farewell to Arms | 1BB | Enchantment | As Farewell to Arms enters the battlefield, choose a hand attached to an opponent's arm. When the chosen hand isn't behind its owner's back, sacrifice Farewell to Arms. If you do, that player discards their hand . . . of cards. (The lawyers wouldn't let us do it the other way.) |