In “raʾaytu asadan yarmī,” courage and shooting arrows do different jobs. Courage is the resemblance grounding the figurative transfer; the human action indicates that the animal meaning is not intended.
The common feature answers why the lion-image is suited to the target. The contextual indicator answers why the literal zoological interpretation is excluded.
Calling a metaphor familiar or unusual primarily concerns how the metaphorical relation is apprehended, not merely whether its clue is readily spotted.