Cheapest priced copy (Avacyn Restored): $9.99 at Card Kingdom, near mint, out of stock, their price list as of .
Primal Surge 
Sorcery · Mythic · Avacyn Restored · #189
Exile the top card of your library. If it's a permanent card, you may put it onto the battlefield. If you do, repeat this process.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $9.99 to $29.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avacyn Restored | 189 | Mythic | $9.99Out of stock | $29.99 |
4 rulings from Wizards of the Coast
- 1 May 2012If putting any of those permanent cards onto the battlefield causes abilities to trigger, those abilities will wait to go on the stack until Primal Surge has finished resolving. Starting with the active player, each player puts their abilities on the stack in any order.
- 1 May 2012Repeating the process includes the instruction to repeat the process. That is, you’ll keep exiling cards and putting them onto the battlefield until you fail to put a permanent card onto the battlefield.
- 1 May 2012If you exile a permanent card that you can’t put onto the battlefield (such as an Aura with nothing legal to enchant) or one you don’t want to put onto the battlefield, Primal Surge finishes resolving.
- 1 May 2012A permanent card is an artifact, creature, enchantment, land, or planeswalker card.