Regular food shipments are also rumored to come in on Mondays, Tuesdays, Thursdays, and Fridays
This simple effect is most powerful when paired with cards that can search for Energy Search directly, like Irida or Arven
Most booster packs, new and old, will have a rare card or two in the mix that collectors are rabid for
Your best bet for building around it is to include artifacts worth protecting and loads of fodder like Solemn Simulacrum and Ichor Wellspring
Example: An effect gives Village Ironsmith (the front face of a double-faced card) +2/+2 until end of turn and then Village Ironsmith transforms into Ironfang
Chaos: Whenever you roll Chaos, create three 2/1 red Human Warrior creature tokens with Haste and This creature attacks each turn if able