Cheapest priced copy (Tarkir: Dragonstorm Commander): $0.79 at Card Kingdom, near mint, their price list as of .
Wall of Reverence 
Creature — Spirit Wall · 1/6 · Rare · Conflux · #20
Defender, flying
At the beginning of your end step, you may gain life equal to the power of target creature you control.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $0.79 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2013 | 26 | Rare | $0.99 | — |
| Conflux | 20 | Rare | $0.99 | $6.99 |
| Tarkir: Dragonstorm Commander | 139 | Rare | $0.79 | — |
| Ultimate Masters | 41 | Rare | $0.79 | $3.99 |
One ruling from Wizards of the Coast
- 7 December 2018If an effect changes a creature’s power “until end of turn,” it will still have the modified power during your end step.