Collocations for prey - noun

easy
Teenagers are easy prey for unscrupulous drug dealers.

ideal

chase, hunt for, look for, pursue, stalk | capture, pounce on
a cat pouncing on its prey

kill

~ for
The young deer are ideal prey for the leopard.

~ to
(figurative) She was prey to all kinds of conflicting emotions.

a beast/bird of prey, be/fall prey to sth
(figurative) The new government has fallen prey to corruption and fraud.