Forests you control are 1/1 green Elf creatures that are still lands.

, Sacrifice an Elf: Target creature gets +3/+3 until end of turn.

Whenever a Forest enters the battlefield, green creatures you control get +1/+1 and gain trample until end of turn.

Grandeur — Discard another card named Baru, Fist of Krosa: Create an X/X green Wurm creature token, where X is the number of lands you control.

Whenever Hollowsage becomes untapped, you may have target player discard a card.

Haste

Mudbrawler Cohort gets +1/+1 as long as you control another red creature.

Haste

Echo—Sacrifice two lands. (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)