 If you liked
Fate/Zero
|
 ...then you might like
Fantasista Doll
|
Fate/Zero has some sort of spiritual/virtual figures made real which are called Servants, Fantasista Dolls have servants called Fantasista Dolls.
Both anime has the character who handles their servants to be referred as "Master". Plus,in both anime, the servants can be called at will.
Both anime has their servants fighting for their masters.
The difference between them is that Fantasista Doll is more children friendly..