Cheapest priced copy (Invasion): $0.49 at Card Kingdom, near mint, their price list as of .
Loafing Giant 
Creature — Giant · 4/6 · Rare · Invasion · #153
Whenever this creature attacks or blocks, mill a card. If a land card was milled this way, prevent all combat damage this creature would deal this turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.49 to $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 153 | Rare | $0.49 | $4.99 |
One ruling from Wizards of the Coast
- 4 October 2004If it somehow blocks multiple creatures in a single combat, the triggered ability only triggers once.