Magic The Gathering Cards of types 'Myr' and 'Frog'

Affinity for Affinity (This card costs {1} less to cast for each permanent you control with affinity.) Affinitycycling {2} ({2}, Discard this card: Search your library for a card with affinity, reveal it, put it into your hand, then shuffle.)

Prototype {3}{R} - 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)