Doctor Who And His Enemies (series)
From Tardis Wiki, the free Doctor Who reference
Doctor Who And His Enemies was a series of collectible character cards and cut-out backgrounds which came in boxes of Weetabix. They were illustrated by Gordon Archer.
The character cards had iconic Who monsters which could be played with in front of alien backdrops.
Cards
There were six possible sets of four cards.
Backgrounds
There were seven possible backgrounds for the cards, which could be cut out of the Weetabix box.