Felis allows obvious monster destruction, which is fantastic, but also mills turn 1 (if going second, because the opponent has no monsters when you go first) before the end phase and gets a Lightsworn into the graveyard for all future plays involving her, which there are quite a few
Target 1 face-up monster your opponent controls
The modern HERO deck contains more than just Elemental HEROs, though: it is an amalgam of the best cards from each HERO type, from the familiar Destiny HEROs to the advantage-generating Vision HEROs and the game-ending Evil HEROs
Blackwing - Kalut the Moon Shadow X DARK Level 3 [ Winged Beast / Effect ] ATK 1400 DEF 1000 During the Damage Step, when your "Blackwing" monster battles (Quick Effect): You can send this card from your hand to the GY
While Magical Musketeers are fairly self-contained, BA players can always add to their deck's strength by adding the popular Phantom Knight archetype from Yu-Gi-Oh
Modeled after Jaden Yukis Deck from the Yu-Gi-Oh