If the Aura can't legally be attached to anything, you can't choose to put it onto the battlefield at all
This is in addition to the fact that this Liliana is a perfect answer to Lingering Souls, which is often a stellar card against Deaths Shadow and Grixis Control, and it can come in against the same annoying swarm decks that Izzet Staticaster comes in against
All told, the general strategy is pretty straightforward: ramp up a variety of mana, fill your board with warriors, keep attacking to generate more warriors, and eventually trigger the ability mid-combat
This next set of Avatar creatures Im a little less keen on
Think about what you want to achieve: Are you looking for a quick and easy way to sell a handful of cards, or are you trying to build a serious side business
Super Repacks are premium high-card-count repack products designed to deliver strong perceived value for Pokmon TCG fans