Heart of Yavimaya

If Heart of Yavimaya would enter, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {G}.
{T}: Target creature gets +1/+1 until end of turn.

Spectral Bears

Whenever Spectral Bears attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step.

Llanowar Elves

Ghazbán Ogre

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Ghazbán Ogre.

Forest

Garruk, Primal Hunter

+1: Create a 3/3 green Beast creature token.
−3: Draw cards equal to the greatest power among creatures you control.
−6: Create a 6/6 green Wurm creature token for each land you control.

Harvest Wurm

When Harvest Wurm enters, sacrifice it unless you return a basic land card from your graveyard to your hand.

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Viridian Shaman

When Viridian Shaman enters, destroy target artifact.

Rogue Elephant

When Rogue Elephant enters, sacrifice it unless you sacrifice a Forest.

Giant Growth

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

Rancor

Enchant creature
Enchanted creature gets +2/+0 and has trample.
When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

Lhurgoyf

Lhurgoyf's power is equal to the number of creature cards in all graveyards and its toughness is equal to that number plus 1.

Troll Ascetic

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
{1}{G}: Regenerate Troll Ascetic.

Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.