Its Sob attack costs just one Colorless Energy, deals 20 HP of damage and prevents the Defending Pokemon from Retreating on its next turn
The focus with Ib as Commander should be, in my opinion, to perform sacrifices while others create enchantments and creatures and a supply of cannon fodder, also in combination with further sacrifices, like Pashalik Mons or Goblin Warrens
Its a great budget option too, Overlord of the Balemurk aside.
Many high-quality binders are designed to hold a large number of sleeved cards (sometimes 160 up to 360+ cards if double-sleeved) without overstuffing, so check the manufacturers capacity guidelines
And just like 2020's digital Jumpstart release, you can craft all these cards with Wildcards of the appropriate rarity or receive them by opening packets in Jumpstart: Historic Horizons eventstaking place August 26 through October 14