Mtg Helper supports you writing "Magic:the Gathering"-articles
Hearthstone Cards for WordPress adds an overlay to written card names and displays the associated image while hovering them.
Create easy accordion sliders.
Facilitates embedding of MTGPulse.com deckboxes on your word press site
Embed HTML5, CSS3, JS demos and codecasts from CSSDeck.com into your WordPress site.
Basic utilities for Magic: the Gathering related websites. Use BBC code to display mana symbols, card links, and deck lists within posts and comments.