Magic: The Gatherings Doctor Who set reveals cards for Tenth Doctor, TARDIS and daleks, plus fish fingers in custard Pulled from the upcoming sets four Commander decks
The spell card simply increases the attack points of a chosen light monster by 700
Then you can attack an appropriate target, and the Hawk ability will trigger, putting the entire stack back into your hand (if you want)
They represented a missed chance at an actual decent card in your booster pack/box
It is also important to note that, as there was no limit on the amount cards players were allowed to place in their Extra Deck back in 2005, it was popular to put nearly every relevant Fusion Monster that existed at the time into ones Fusion Deck
The cards range from standard abilities, rules, and attacks, to more complex ones with extra effects that come into play only under certain situations or when specific requirements are met