The next B/R announcement is December 16, and if Leyline stays unbanned, I expect it to start to grow in price
The cost of a top tier deck in Battle for Zendikar ranges from the most expensive in recent years to on par with a Caw Blade
Most decks can answer them in some form. This design philosophy becomes apparent on Barbflare Gremlin, a brand-new creature that appears in this deck, which combines the rules text from two older enchantments, Manabarbs and Mana Flare
But with a lot of tramplers, dealing that damage might not even need blockers out of the way beforehand
Because promos ship in sleeves or boxes rather than packs, surface condition out of the gate is usually good but always check before assuming gem-mint
All damage on all permanents (from all players, and including phased-out permanents) is removed and all until end of turn and this turn effects end