Brawl is singleton and easier to manage with your existing collection, Historic has similar mana bases to Pioneer, and Timeless has the additional expense of fetch lands, not to mention all the powerful nonland cards in both formats
If you're still stuck, I recorded a video where I chose a few nice cards and walked through the process for determining their value, starting the CGC submission process, and packaging them to be shipped
Fun fact: Staravias distinctive tuft of feathers helps it show off its mood to other Pokmon
BT2-004 U Digi-Egg Lv.2 Alternative Art Argomon Color Green Form In-Training Type Mutant Card Text 2 [Inherited Effect] [Your Turn] When this Digimon becomes unsuspended during your unsuspend phase, gain 1 memory
SR Super Rare Master Pendulum, the Dracoslayer X LIGHT Level 4 [ DragonPendulumNormal ] ATK 1950 DEF 0 P Scale 3 Once, while this card is in your Pendulum Zone: You can target 1 card in a Pendulum Zone