Snow Hound

{1}, {T}: Return Snow Hound and target green or blue creature you control to their owner's hand.

Stampeding Serow

Trample
At the beginning of your upkeep, return a green creature you control to its owner's hand.

Glitterfang

Haste
At the beginning of the end step, return Glitterfang to its owner's hand.

Skull Collector

At the beginning of your upkeep, return a black creature you control to its owner's hand.
{1}{B}: Regenerate Skull Collector.

Barrel Down Sokenzan

Sweep — Return any number of Mountains you control to their owner's hand. Barrel Down Sokenzan deals damage to target creature equal to twice the number of Mountains returned this way.

Shrieking Drake

Flying
When Shrieking Drake enters, return a creature you control to its owner's hand.

Flooded Shoreline

{U}{U}, Return two Islands you control to their owner's hand: Return target creature to its owner's hand.