Cheapest priced copy (Commander 2014): $5.49 at Card Kingdom, near mint, their price list as of .
Wolfcaller's Howl 
Enchantment · Rare · The List · #C14-52
At the beginning of your upkeep, create X 2/2 green Wolf creature tokens, where X is the number of your opponents with four or more cards in hand.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $5.49 to $5.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2014 | 52 | Rare | $5.49 | — |
| Commander Anthology | 169 | Rare | $5.99 | — |
| The List | C14-52 | Rare | $5.99 | — |
One ruling from Wizards of the Coast
- 7 November 2014Use the number of opponents who have four or more cards in hand as the ability resolves to determine the value of X.