Forest

Wall of Roots

Defender
Put a -0/-1 counter on Wall of Roots: Add {G}. Activate only once each turn.

Overgrown Battlement

Defender
{T}: Add {G} for each creature you control with defender.

Regrowth

Return target card from your graveyard to your hand.

Wall of Mulch

Defender (This creature can't attack.)
{G}, Sacrifice a Wall: Draw a card.

Explore

You may play an additional land this turn.
Draw a card.

Wall of Blossoms

Defender
When Wall of Blossoms enters, draw a card.

Silvos, Rogue Elemental

Trample
{G}: Regenerate Silvos, Rogue Elemental.

Thorn Elemental

You may have Thorn Elemental assign its combat damage as though it weren't blocked.

Ivy Elemental

Ivy Elemental enters with X +1/+1 counters on it.

Asceticism

Creatures you control have hexproof.
{1}{G}: Regenerate target creature. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Overwhelming Stampede

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Wall of Vines

Defender (This creature can't attack.)
Reach (This creature can block creatures with flying.)

Nissa, Worldwaker

+1: Target land you control becomes a 4/4 Elemental creature with trample. It's still a land.
+1: Untap up to four target Forests.
−7: Search your library for any number of basic land cards, put them onto the battlefield, then shuffle. Those lands become 4/4 Elemental creatures with trample. They're still lands.