yugioh cards ojama Yu-Gi-Oh! - Yellow (IOC-001) - Invasion of Chaos - Unlimited Edition Ancient Millennium series. Ojamatch - Yugipedia

The fallout from that banlist change is covered in the OP-15 meta tier list article linked below

After some rest, drive north an hour to the famous Pokemon centre in the largest Aeon mall on the island where you can get the special edition Okinawa only pikachu plushie and have lunch in one of the many restaurants of local and foreign delicacy

Even better, you can target your own creatures and just opt out of paying to pick up and reuse valuable ETB effects, or save something from removal

You can then cast that spell while its exiled

Good examples would be Salamangreat Violet Chimera, which gets a powerful ability if you use a different Salamangreat Violet Chimera as material, or Dual Avatar - Manifested A-Un, which gets a range of different powerful effects for summoning with different Fusion monsters