ComboDeck

Legal	Commander Brawl Duel Commander Explorer Historic Legacy Modern Pioneer Vintage
Not in format	Standard Future Old School Pauper Penny Dreadful Pre-Modern

Oracle Rulings

Containment Priest's last ability won't affect any creatures that were cast, including ones cast from unusual zones such as your graveyard.March 19, 2021
If Containment Priest enters the battlefield at the same time as other creatures, its ability won't affect those creatures.March 19, 2021
If Containment Priest enters the battlefield without being cast, its ability won't exile itself.March 19, 2021
If a noncreature card wasn't cast and is entering the battlefield as a creature (due to an effect such as that of March of the Machines), it will be exiled. Conversely, if a creature card wasn't cast and is entering the battlefield as a noncreature permanent (for example, Heliod, Sun-Crowned with insufficient devotion), it won't be exiled.March 19, 2021

This card isis not on the Reserved List.

America: TCGPlayer	Low	Avg	Foil (Avg)
Core Set 2021 Promos	40¢	40¢	40¢
Commander 2014	46¢	46¢	46¢
Mystery Booster 2	49¢	49¢	49¢
Core Set 2021	60¢	60¢	60¢
Ultimate Masters	61¢	61¢	61¢
Time Spiral Remastered	$1.71	$1.71	$1.71

Europe: MKM	Low	Avg	Foil (Low)
Mystery Booster 2	€0.34	€0.34	-
Core Set 2021 Promos	€0.37	€0.37	€0.91
Ultimate Masters	€0.38	€0.38	€1.38
Core Set 2021	€0.38	€0.38	€1.00
Time Spiral Remastered	€0.68	€0.68	€32
Commander 2014	€0.79	€0.79	€8.31
Amonkhet Invocations	-	-	€21