Cheapest priced copy (Commander 2016): $0.99 at Card Kingdom, near mint, their price list as of .
Read the Runes 
Instant · Rare · Onslaught · #104
Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $0.99 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2016 | 95 | Rare | $0.99 | — |
| Jumpstart | 167 | Rare | $0.99 | — |
| Onslaught | 104 | Rare | $1.29 | $6.99 |
| The List | ONS-104 | Rare | $1.49 | — |
2 rulings from Wizards of the Coast
- 4 October 2004You are never forced to sacrifice any permanents. You can choose to discard your entire hand if your hand is smaller than the number of cards you are required to discard.
- 4 October 2004You draw the cards, then sacrifice any permanents you want to sacrifice, then discard the required number of card from your hand. There is no chance to play any cards in between these actions.