Cheap but nice
Summon ABC with following hands:
1 of ABC, Union Hangar and unauthorized
1 of ABC, Union Hangar
1 of ABC, Terraforming
Hangar, Foolish
1 of ABC, Foolish, unauthorized
You need C on field equiped with A or B (or Driver), summon the second than link summon, activate c for summoning the 3rd part and you can get ABC.