Doubling Season - Commander Masters (CMM)If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

It's like the cycle of reincarnation

if you gained 3 or more life this turn

Temple of Mystery enters the battlefield tapped

When Eternal Witness enters the battlefield

As Thriving Bluff enters the battlefield

every grand scheme

Enchant creature Enchanted creature has flying

When Champion of Dusk enters the battlefield

Students at the Dekatia Academy learn that being sent to study with her is a lesson in itself

target player may put Pir into their hand from their library

Remove a counter from a permanent you control: Search your library for a Plains card and reveal it

Artifacts and enchantments you control have shroud