Got R13 legend in wild format in mid december (2018)
1. overall: Always try to find your Kingsbane (or 'Draw a weapon' cards - sometimes this is better, because you can draw 3 cards with Raiding Party). Preparation is pretty good activator for Raiding Party (or in some cases for Elven Minstrel).
Try to keep your buffs for Valeera the Hollow's hero power for bigger weapon (especially vs control).
2. vs aggro: Keep Leeching Poison (point 1. is always prio), and try to survive until your weapon is big enough for SMOrc :P. Heal and trade big minions with Doomerang (and always try to keep your weapon on board/in hand).
3. vs control (slow decks): Try to find Sap (vs Big priest and some warlock decks it's always good) and use Coldlight Oracle to mill them (wait for good moment - thats mostly turn 4 - if you have Shadowstep too).
I hope you'll enjoy my deck ^^