Cheapest priced copy (Foundations Commander): $3.49 at Card Kingdom, near mint, their price list as of .
Archangel of Tithes 
Creature — Angel · 3/5 · Mythic · Foundations Commander · #17
Flying
As long as this creature is untapped, creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.
As long as this creature is attacking, creatures can't block unless their controller pays {1} for each of those creatures.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
7 printings · $3.49 to $24.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations Commander | 17 | Mythic | $3.49 | — |
| Magic Origins | 4 | Mythic | $8.99 | $24.99 |
| Outlaws of Thunder Junction | 2 | Mythic | $6.99 | $7.99 |
| Outlaws of Thunder Junction | 308 | Mythic | $9.99 | $10.99Out of stock |
| The List | ORI-4 | Mythic | — | $9.99 |
| Outlaws of Thunder Junction Promos | 2p | Mythic | $8.49 | $13.99 |
| Outlaws of Thunder Junction Promos | 2s | Mythic | — | $11.99 |
One ruling from Wizards of the Coast
- 22 June 2015If you control an untapped Archangel of Tithes, your opponents can choose to not attack with a creature that must attack if able. The same is true with respect to an attacking Archangel of Tithes and a creature that must block if able.