Here is the full list of all 12 Castle of Illusion Starring Mickey Mouse trophies - there are 7 bronze, 4 silver and 1 gold.
Defeat Mizrabel and rescue Minnie.
Find 50% of all Magic Diamonds.
Break the illusion of 25 enemies with projectiles.
Complete a Castle Statue.
Break the illusion of 75 enemies.
Collect 50 Diamonds to unlock your first Painting in the Castle
Collect all the Magic Playing Cards.
Collect all of Donald's Chili Peppers.
Complete all Castle Statues.
Find all the Magic Diamonds.
Bounce on 7 enemies in a row without touching the ground.
Complete a stage in Time Attack.