Providing repeatable card draw for three mana, with a ceiling of four cards in one circuit of the table, The Gaffer is among your best options
When Worldgorger Dragon enters, it exiles your permanents, including Animate Dead, which then causes the Dragon to die and brings all your permanents back untapped
These decks include red splash blue deck wins, counter burn, UW weenie, UB fairies style agro control and various mono blue creature decks with things like vedelkan shackles, grand architect and opposition
Seasoned Dungeoneer I dont need to explain why the initiative is utterly busted
Minion of the Mightys pack tactics ability loves to attack alongside a big Dragon, letting you put a Dragon card from your hand onto the battlefield tapped and attacking