There are only 12 Legendary cards in The First Chapter, two for each ink color
You can even counter your own spell in a pinch, effectively giving you another trigger for casting from exile
Second, watch how the later sets pull attention
When it resolves, you'll reveal three more cards from the top of your planar deck, their chaos abilities will trigger, and you'll put them on the stack in any order on top of any remaining chaos abilities from the first Pools of Becoming's effect
You may choose to have the card customized with your name and a short message, or request no personalization for a clean, display-ready autograph
Mono-Red Aggro, UW Control, Jeskai Fires, and Temur Reclamation are all cool in their own way, and each has a consistent game plan