Wikimon has bigger scans of the Chosen Children's cards now. I've updated Taichi's with his "flavor text." The others are translated below, though I'm not certain I got everyone's flavor text right.
Re-73. Takenouchi Sora [Program] [+40]
Operation Timing: (1) Evolution Phase (2) Battle Phase
Our adventure was never a waste!
Chosen Children
Cost: None
Requirements: None
Effect: Up to the limit, the following effects can be used once. (1) When your Digimon is Piyomon, disregard the evolution requirements and evolve to a Birdramon in the evolution box. (2) When your Digimon has the ability [Sky], add 100 to your attack power.
Limit: The end of the turn.
Re-74. Ishida Yamato [Program] [+40]
Operation Timing: (1) Evolution Phase (2) Battle Phase
If you ever underestimate the Chosen Children you’ll have trouble!
Chosen Children
Cost: None
Requirements: None
Effect: Up to the limit, the following effects can be used once. (1) When your Digimon is Gabumon, disregard the evolution requirements and evolve to a Garurumon in the evolution box. (2) Change your Digimon’s battle type to A, B, or C.
Limit: The end of the turn.
Re-75. Izumi Koshiro [Program] [+40]
Operation Timing: Evolution Phase
I would assuredly like to know everything.
Chosen Children
Cost: None
Requirements: None
Effect: Up to the limit, the following effects can be used once. (1) Check the face-down cards in your opponent’s slot (up to 3). (2) When your Digimon is Tentomon, disregard the evolution requirements and evolve to a Kabuterimon in the evolution box.
Limit: The end of the turn.
Re-77. Kido Jo [Program] [+40]
Operation Timing: Evolution Phase
I’ll leave it to you! That’s not to say it’s irresponsibility.
Chosen Children
Cost: None
Requirements: None
Effect: Up to the limit, the following effects can be used once. (1) When your Digimon is Gomamon, disregard the evolution requirements and evolve to an Ikkakumon in the evolution box. (2) At the end of the evolution phase, you may exchange 1 Option Card in your hand with a card set in your slot.
Limit: The end of the turn.
Re-78. Takaishi Takeru [Program] [+40]
Operation Timing: Evolution Phase
Everyone’s hope is my hope!
Chosen Children
Cost: None
Requirements: None
Effect: Up to the limit, the following effects can be used once. (1) Check the contents of your opponent’s hand. (2) When your Digimon is Patamon, disregard the evolution requirements and evolve to an Angemon in the evolution box.
Limit: The end of the turn.