Woodland Cemetery

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G} to your mana pool.

Llanowar Elves

Tap to add green mana to your mana pool. This tap can be played as an interrupt.

Blanchwood Armor

Enchanted creature gets +X/+X, where X is the number of forests you control.

Overgrown Tomb

Druid of the Cowl

Carnage Tyrant

4GG

Merfolk Branchwalker

1G

Ghalta, Primal Hunger

This spell costs {X} less to cast, where X is the total power of creatures you control. Trample

Swamp

({T}: Add {B}.)