Hall of Oracles

You may pay 2U rather than pay this spell's mana cost. If the 2U cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

Create a 2/1 white and black Inkling creature token with flying, a 3/2 red and white Spirit creature token, and a 4/4 blue and red Elemental creature token.

You may pay 2WW rather than pay this spell's mana cost. If the 2WW cost was paid, an opponent chooses up to two nonland permanents they control and returns them to their owner's hand. Destroy all nonland permanents.

Double strike Whenever this creature deals combat damage to a player, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Menace Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.) Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."

You can't cast permanent spells. 4, T: Add WUBRG. When you next cast a spell this turn, exile cards from the top of your library until you exile an instant or sorcery card with lesser mana value. Until end of turn, you may cast that card without paying its mana cost. Put each other card exiled this way on the bottom of your library in a random order.

Crackle with Power deals five times X damage to each of up to X targets.

Choose two — • Target creature gets +3/+3 and gains flying until end of turn. • Return target creature card with mana value 2 or less from your graveyard to the battlefield. • Target player draws a card and loses 1 life. • Target opponent sacrifices a creature of their choice.