Omniscience

Commanders that run Omniscience most

Deck counts from EDHREC.

• Aminatou, Veil Piercer: 7,218 decks
• Jodah, Archmage Eternal: 5,391 decks
• Vivi Ornitier: 3,382 decks
• Narset, Enlightened Master: 3,330 decks
• Y'shtola, Night's Blessed: 3,027 decks
• Zimone, Mystery Unraveler: 2,966 decks
• Jhoira of the Ghitu: 2,906 decks
• Neera, Wild Mage: 2,778 decks

Often played with Omniscience

Cards that show up in the same decks on EDHREC.

• Sasaya, Orochi Ascendant
• Invincible Hymn
• Enter the Infinite
• Haru-Onna
• Jace's Sentinel
• Kiri-Onna
• One with the Multiverse
• Timecrafting
• Shivan Sand-Mage
• Endless Swarm

Rulings

• 2018-07-13: 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.
• 2018-07-13: You must follow the normal timing permissions and restrictions of each spell you cast.
• 2018-07-13: 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.
• 2018-07-13: 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.