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"Find me cards equivalent to: Omniscience"

Equivalent cards (blue enchantments that let you cast spells for free) are extremely rare. Besides Omniscience, the closest are:
1. Dream Halls – Lets you discard a card of the same color rather than pay mana.
2. Fires of Invention (not blue, but lets you cast for free with restrictions).

True cast without paying their mana cost for all spells, as in Omniscience, is unique in mono-blue enchantments.

Found Cards

3 Results

Dream Halls

Fires of Invention

Omniscience

Dream Halls #28 Enchantment

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Info

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

    Rules

  • This only replaces the mana cost (the mana in the upper right hand corner of the card). It will not pay additional costs from the card text (such as Buyback) or from other effects. It does not prevent you from paying those additional costs if you want or need to.

    • Prices

    Seller Price
    Cardkingdom 54.99 USD
    Tcgplayer 38.54 USD
    Cardmarket 21.61 EUR
    Manapool 28.16 USD

    Legalities

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

    Text

    Rather than pay the mana cost for a spell, its controller maydiscarda card that shares a color with that spell.

    Fires of Invention #125s Enchantment

    Variations: v1 v2
    Find Cards Like Fires of Invention

    Info

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

    Rules

  • Fires of Invention doesn't impose any restrictions on playing lands or activating abilities.
  • Fires of Invention will look at the entire turn to see if you've cast two spells yet that turn, even if Fires of Invention wasn't on the battlefield when those spells were cast. Notably, you can't cast Fires of Invention and then cast two more spells that turn; if Fires of Invention was your second (or third, or fourth) spell that turn, you can't cast another spell at all.
  • If a spell has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
  • If an effect allows or instructs you to cast a spell during another player's turn, you can't do so. The restriction of Fires of Invention takes precedence over that permission. Similarly, if an effect allows or instructs you to cast a third spell during your turn, you can't do so.
  • If an effect says that you may cast a card that you couldn't otherwise cast if you pay an alternative cost (such as the flashback keyword), you have to pay that alternative cost if you use that permission to cast the card. You can't choose to cast it but cast it without paying its mana cost.
  • If you cast a card “without paying its mana cost,” you can't choose to cast it for any alternative costs. You can, however, pay additional costs. If the card has any mandatory additional costs (such as that of Fling), you must pay those to cast the card.
  • If you cast a spell that was countered, it still counts as one of your two spells.
  • If you cast one card twice during a turn (such as by casting it as an Adventure and then casting it from exile as a creature), you've cast two spells.
  • You may choose to pay the mana cost or an alternative cost for spells you cast, even if their mana value is less than or equal to the number of lands you control.

    • Prices

    Seller Price
    Cardmarket 1.14 EUR
    Tcgplayer 1.43 USD
    Manapool 1.14 USD

    Legalities

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

    Text

    You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs.

    Omniscience #90 Enchantment

    Variations: v1 v2 v3
    Find Cards Like Omniscience

    Info

    Color:
    Identifies:
    Cost:
    Rarity: Mythic
    Converted Cost: 10
    Power/Toughness: /
    Types:
  • Enchantment
    • SubTypes:
    Languages:
    Layout:
    Normal
    Rank:
    Saltiness:

    Rules

  • If a spell has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
  • If you cast a spell "without paying its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, such as that of Tormenting Voice, those must be paid to cast the spell.
  • Once you cast Omniscience, if it's your turn, you'll have priority immediately after it resolves. You can cast another spell before any player can attempt to remove Omniscience with spells or abilities.
  • You must follow the normal timing permissions and restrictions of each spell you cast.

    • Prices

    Seller Price
    Tcgplayer 248.15 USD
    Cardmarket 183.89 EUR
    Cardkingdom 379.99 USD
    Manapool 339.63 USD

    Legalities

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

    Text

    You may cast spells from your hand without paying their mana costs.