If you control a Fiend monster Activate 1 of these effects based on the number of monsters in your opponents GYbr 1 Draw 1 cardbr 4 Add 1 HERO monster or 1 Dark Fusion from your Deck to your handbr 10 Add 1 Polymerization Spell or 1 Fusion Spell from your Deck to your handbrYou can only activate 1 Evil Mind per turn