Adam, Wicked Amalgamation

Changeling (This card is every creature type.)

This spell costs {1} less to cast for each creature card
in your graveyard.

As long as a creature card with flying is in your
graveyard, Adam, Wicked Amalgamation has flying.
The same is true for first strike, double strike,
landwalk, protection, deathtouch, lifelink, haste, vigilance, reach, trample and hexproof.