If your leader is of the "Whitebeard Pirate" type, Ace gains Rush and can therefore attack from the turn it is played
Frantic Search (T1, Ext, S) Frantic Search works fabulously with any deck which has lands which tap for more than one mana, including High Tide and Tolarian Academy decks
This usually ends the game as it can be done during your opponent's turn thanks to the instant speed of Violent Outburst and while holding up a counterspell thanks to Pact of Negation
Theyre all designed to be inevitable wincons that build up some sort of advantage as each turn passes, but being locked out of casting other spells is obviously a substantial downside
Unlike my hidden gem list, I ignore popularity for this list
For instance, a booster box for Obsidian Flames can clear big dollar on most days, and Twilight Masquerade hasn't been long released either, so jumping on these free boosters is an absolute treat