If a land card is discarded this way, draw an additional card
Provided you can get through the queue, which often breaks in drops like this, if you're not there the second sales open, you'll likely be too late to grab them
Protection from means that Auriok Champion cant be the target of red spells or abilities used by your opponent, not that it can ignore any ability on a red card
Teshar is also pretty cheap at 4 mana, and I can see this Aven leader doing some real damage to folks
Everything is available in standard and foil, alongside the Japanese variants as well
(6/7/2013) If all of the spell's targets are illegal when the spell tries to resolve, it won't resolve and none of its effects will happen