Cheapest priced copy (Commander Masters): $0.49 at Card Kingdom, near mint, their price list as of .
Taborax, Hope's Demise 
Legendary Creature — Demon Cleric · 2/2 · Rare · Zendikar Rising · #129
Flying
Taborax has lifelink as long as it has five or more +1/+1 counters on it.
Whenever another nontoken creature you control dies, put a +1/+1 counter on Taborax. If that creature was a Cleric, you may draw a card. If you do, you lose 1 life.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
6 printings · $0.49 to $1.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander Masters | 189 | Uncommon | $0.49 | $0.49 |
| Foundations Jumpstart | 69 | Rare | $0.49 | — |
| Zendikar Rising Promos | 129p | Rare | $0.49 | $0.49 |
| Zendikar Rising Promos | 129s | Rare | — | $1.79 |
| Zendikar Rising | 129 | Rare | $0.49 | $0.49 |
| Zendikar Rising | 346 | Rare | $0.99 | $1.49 |
2 rulings from Wizards of the Coast
- 25 September 2020If Taborax is dealt lethal damage at the same time as one or more nontoken creatures you control die or are dealt lethal damage, it won't receive a counter from its ability in time to save it.
- 25 September 2020If another nontoken Cleric dies at the same time as Taborax, you won't put a +1/+1 counter on anything, but you may draw a card as its last ability resolves. You still lose 1 life if you do.