Cheapest priced copy (Duel Decks Anthology: Elves vs. Goblins): $0.69 at Card Kingdom, near mint, their price list as of .
Ib Halfheart, Goblin Tactician 
Legendary Creature — Goblin Advisor · 3/2 · Rare · Time Spiral · #163
Whenever another Goblin you control becomes blocked, sacrifice it. If you do, it deals 4 damage to each creature blocking it.
Sacrifice two Mountains: Create two 1/1 red Goblin creature tokens.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
5 printings · $0.69 to $17.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Elves vs. Goblins | 43 | Rare | $0.99 | — |
| Duel Decks Anthology: Elves vs. Goblins | 43 | Rare | $0.69 | — |
| Jumpstart 2022 | 554 | Rare | $0.79 | — |
| The List | TSP-163 | Rare | $1.29Out of stock | — |
| Time Spiral | 163 | Rare | $0.79 | $17.99 |
One ruling from Wizards of the Coast
- 25 September 2006If you don’t actually sacrifice the Goblin (because it was removed from the battlefield before the ability resolved, for example), no damage is dealt.