For this process it is best to use an example, and for this we will use Brainstorm from Signature Spellbook: Jace
Warden of Evos Isle is the classic, Watcher of the Spheres is a little more aggressive, and Momo, Friendly Flier is the most efficient option
Its almost like a super-sized Duelists Heritage

The reconstructed commons sheet for the 1st Edition/Unlimited variant is as follows (the dagger marks indicate that it is not known where the sheet begins or ends): Kabuto, Caterpie, Poliwag, Unown O, Teddiursa, Wooper, Omanyte, Hoppip, Sentret, Unown E, Larvitar, Pineco, Unown I, Dunsparce, Mareep, Spinarak, Energy Ark, Natu, Weedle, Tyrogue, Poliwag, Caterpie, Kabuto, Wooper, Teddiursa, Unown O, Sentret, Hoppip, Omanyte, Larvitar, Unown E, Energy Ark, Unown I, Pineco, Dunsparce, Weedle, Mareep, Tyrogue, Spinarak, Poliwag, Kabuto, Caterpie, Natu, Omanyte, Teddiursa, Wooper, Unown O, Larvitar, Sentret, Unown E, Hoppip, Unown I, Energy Ark, Pineco, Dunsparce, Mareep, Weedle, Tyrogue, Spinarak, Kabuto, Poliwag, Caterpie, Natu, Teddiursa, Omanyte, Wooper, Unown O, Sentret, Larvitar, Unown E, Hoppip, Dunsparce, Energy Ark, Unown I, Spinarak, Pineco, Mareep, Tyrogue, Kabuto, Weedle, Caterpie, Natu, Poliwag, Unown O, Omanyte, Teddiursa, Hoppip, Wooper, Sentret, Larvitar, Unown E, Energy Ark, Pineco, Unown I, Dunsparce, Weedle, Tyrogue, Mareep, Spinarak, Poliwag, Caterpie, Kabuto, Natu, Omanyte, Wooper, Teddiursa, Unown O, Larvitar, Unown E, Sentret, Hoppip, Caterpie, Dunsparce, Unown I, Pineco, Energy Ark, Spinarak, Mareep, Tyrogue, Weedle, Natu The raw data for the holos is as follows (the dashed line is where the transition from H7 to H6 would occur, assuming all boxes in the sample used the same holos sheet

Among them, Pauls copy stands alone
Creatures that the player controls will also gain lifelink and flying until the end of a turn