Cast this spell only if you've cast another green spell this turn.
Trample

Flying
: Talonrend gets +1/-1 until end of turn.

Haste
Thunderblust has trample as long as it has a -1/-1 counter on it.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When Tilling Treefolk enters the battlefield, you may return up to two target land cards from your graveyard to your hand.

Flash
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

: Add .
, : Add , , or .

Wither (This deals damage to creatures in the form of -1/-1 counters.)
: Twinblade Slasher gets +2/+2 until end of turn. Activate this ability only once each turn.

Chroma — Umbra Stalker's power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard.

Exile target creature.

Creatures your opponents control get -1/-0 until end of turn if was spent to cast this spell, and creatures you control get +1/+0 until end of turn if was spent to cast this spell. (Do both if was spent.)

Gain control of target creature until end of turn. Untap that creature. It gets +X/+0 and gains haste until end of turn.

Lifelink
Voracious Hatchling enters the battlefield with four -1/-1 counters on it.
Whenever you cast a white spell, remove a -1/-1 counter from Voracious Hatchling.
Whenever you cast a black spell, remove a -1/-1 counter from Voracious Hatchling.

Whenever a permanent you control becomes untapped, Wake Thrasher gets +1/+1 until end of turn.

Each opponent who controls more creatures than you can't cast creature spells. The same is true for artifacts and enchantments.
Each opponent who controls more lands than you can't play lands.

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Wickerbough Elder enters the battlefield with a -1/-1 counter on it.
, Remove a -1/-1 counter from Wickerbough Elder: Destroy target artifact or enchantment.

: Target red or green creature gets -2/-0 until end of turn.

When Wistful Selkie enters the battlefield, draw a card.

Whenever you cast a spell that's both black and green, Woodlurker Mimic has base power and toughness 4/5 until end of turn and gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)

Create a 1/1 black and green Worm creature token for each land card in your graveyard.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)