Twiddle A classic cheap blue spell surpassed by Dream's Grip, Twiddle is a key part of so-called Twiddle Storm decks which pair effects like these with card draw and spells like Wish, Underworld Breach, and Grapeshot
Brainstorm remains a cornerstone of many blue card advantage engines
Mass Polymorph is my usual win condition: I purposely only run three creatures in the 99, so when I cast this spell, I can generate infinite mana and spell recursion through Peregrine Drake, Deadeye Navigator, and Archaeomancer
Delirium When Ishkanah, Grafwidow enters, if there are four or more card types among cards in your graveyard, create three 1/2 green Spider creature tokens with reach
You cant sacrifice Curses tokens to Professional Face-Breaker, for instance, so youll need to track which tokens are Gold and which are Treasures if you have both cards in play