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4 Cards Found

AI 🤖 Find me cards equivalent to: Leyline of Singularity

Equivalent cards to Leyline of Singularity (blue, unique-identity effect) are rare, but here are similar blue cards that affect creature identities or names:
1. Arcane Laboratory – Limits players to one spell per turn (not the same, but creates a universal restriction).
2. Sakashima the Impostor – Can copy creatures, affecting uniqueness/form.
3. Mirror Gallery (artifact, colorless)** – Players may have multiple legendary permanents with the same name (removes the legendary rule, opposite effect).

True equivalents are rare in blue. Leyline of Singularity is unique in making all nonland permanents legendary. Other colors don't have this effect.

Results:

Arcane Laboratory #60 Enchantment

Info

Color:
Identifies:
Cost:
Rarity: Uncommon
Converted Cost: 3
Power/Toughness: /
Types:
  • Enchantment
    • SubTypes:
    Languages:
    Layout:
    Normal
    Rank:
    Saltiness:

    Rules

  • If a spell is countered, it still counts as the one spell cast.
  • When Arcane Laboratory enters, it will look back over the turn to see if any spell was cast before it entered the battlefield. It will notice itself being cast.
  • When it leaves the battlefield, the effect ends and all players are able to cast spells unrestricted again.

    • Prices

    Seller Price
    Tcgplayer 1.32 USD
    Cardmarket 0.87 EUR
    Cardkingdom 0.99 USD
    Cardsphere 1.29 USD

    Legalities

    Alchemy Brawl Commander Duel Explorer Future Gladiator Historic Legacy Modern Oathbreaker Oldschool Pauper Paupercommander Penny Pioneer Predh Premodern Standard Standardbrawl Timeless Vintage

    Text

    Each player can't cast more than one spell each turn.

    Leyline of Singularity #29 Enchantment

    Info

    Color:
    Identifies:
    Cost:
    Rarity: Rare
    Converted Cost: 4
    Power/Toughness: /
    Types:
  • Enchantment
    • SubTypes:
    Languages:
    Layout:
    Normal
    Rank:
    Saltiness:

    Rules

  • Adding a supertype doesn't overwrite other supertypes. Each nonland permanent will be legendary in addition to its other supertypes.
  • If the game starts with more than one Leyline of Singularity under a single player's control, all but one of them will be put into their owners' graveyards right after the upkeep of the first turn starts. If the game started with multiple copies of any other Leylines under a single player's control, that player will also put all but one of them into their graveyard at that time.
  • The "legend rule" says that if a player controls two or more legendary permanents with the same name, that player chooses one of them and the rest are put into their owners' graveyards. Notably, if you control Leyline of Singularity and two or more creature tokens with the same name, only one of the tokens will be allowed to remain on the battlefield.
  • A player's "opening hand" is the hand of cards the player has after all players have taken mulligans. If players have any cards in hand that allow actions to be taken with them from a player's opening hand, the starting player takes all such actions first in any order, followed by each other player in turn order. Then the first turn begins.

    • Prices

    Seller Price
    Tcgplayer 3.68 USD / 29.98 USD
    Cardmarket 1.33 EUR / 5.13 EUR
    Cardkingdom 2.99 USD
    Cardsphere 3.66 USD

    Legalities

    Alchemy Brawl Commander Duel Explorer Future Gladiator Historic Legacy Modern Oathbreaker Oldschool Pauper Paupercommander Penny Pioneer Predh Premodern Standard Standardbrawl Timeless Vintage

    Text

    If this card is in your opening hand, you may begin the game with it on the battlefield. All nonland permanents are legendary.

    Mirror Gallery #154 Artifact

    Info

    Color:
    Identifies:
    Cost:
    Rarity: Rare
    Converted Cost: 5
    Power/Toughness: /
    Types:
  • Artifact
    • SubTypes:
    Languages:
    Layout:
    Normal
    Rank:
    Saltiness:

    Rules

  • Mirror Gallery removes the “Legend rule” while it’s on the battlefield. If all Mirror Galleries leave the battlefield, the “Legend rule” will apply the next time state-based actions are performed.

    • Prices

    Seller Price
    Tcgplayer 25.46 USD / 36.61 USD
    Cardmarket 5.21 EUR / 17.2 EUR
    Cardkingdom 27.99 USD
    Cardsphere 23.3 USD

    Legalities

    Alchemy Brawl Commander Duel Explorer Future Gladiator Historic Legacy Modern Oathbreaker Oldschool Pauper Paupercommander Penny Pioneer Predh Premodern Standard Standardbrawl Timeless Vintage

    Text

    The "legend rule" doesn't apply.

    Sakashima the Impostor #53 Legendary Creature — Human Rogue

    Info

    Color:
    Identifies:
    Cost:
    Rarity: Rare
    Converted Cost: 4
    Power/Toughness: 3/1
    Types:
  • Creature
    • SubTypes:
  • Human
  • Rogue
    • Languages:
    Layout:
    Normal
    Rank:
    Saltiness:

    Rules

  • If there is no creature on the battlefield or if you don't choose a creature as Sakashima enters, Sakashima remains a 3/1 Human Rogue.
  • Sakashima doesn't get the return to hand ability unless a creature is copied as Sakashima enters. Sakashima can't copy itself because the choice is made as part of the event that puts it onto the battlefield, and whatever will be copied must already be on the battlefield.
  • Sakashima must be on the battlefield at the end of turn in order to return to hand. If Sakashima leaves the battlefield after the ability is activated but before the at-end-of-turn ability resolves, the ability does nothing.

    • Prices

    Seller Price
    Tcgplayer 8.77 USD / 86.73 USD
    Cardmarket 6.25 EUR / 70.11 EUR
    Cardkingdom 99.99 USD
    Cardsphere 8.5 USD

    Legalities

    Alchemy Brawl Commander Duel Explorer Future Gladiator Historic Legacy Modern Oathbreaker Oldschool Pauper Paupercommander Penny Pioneer Predh Premodern Standard Standardbrawl Timeless Vintage

    Text

    You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has ": Return Sakashima the Impostor to its owner's hand at the beginning of the next end step."

    Arcane Laboratory Enchantment Normal - ~$1.12

    Leyline of Singularity Enchantment Normal - ~$7.8

    Mirror Gallery Artifact Normal - ~$22.63

    Sakashima the Impostor Legendary Creature — Human Rogue Normal - ~$46.73

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