Tarpan

Thoughtleech

Whenever an Island an opponent controls becomes tapped, you may gain 1 life.

Balduvian Bears

Yavimaya Ants

Trample, haste
Cumulative upkeep {G}{G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Stampede

Attacking creatures get +1/+0 and gain trample until end of turn.

Brown Ouphe

{1}{G}, {T}: Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)

Woolly Mammoths

Woolly Mammoths has trample as long as you control a snow land.

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Snow-Covered Forest

Forest

Nature's Lore

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Kaysa

Giant Growth

Target creature gets +3/+3 until end of turn.

Bounty of the Hunt

You may exile a green card from your hand rather than pay this spell's mana cost.
Distribute three +1/+1 counters among one, two, or three target creatures. For each +1/+1 counter you put on a creature this way, remove a +1/+1 counter from that creature at the beginning of the next cleanup step.

Undergrowth

As an additional cost to cast this spell, you may pay {2}{R}.
Prevent all combat damage that would be dealt this turn. If this spell's additional cost was paid, this effect doesn't affect combat damage that would be dealt by red creatures.

Hail Storm

Hail Storm deals 2 damage to each attacking creature and 1 damage to you and each creature you control.