Deprive

As an additional cost to cast this spell, return a land you control to its owner's hand.
Counter target spell.

Nettle Sentinel

Nettle Sentinel doesn't untap during your untap step.
Whenever you cast a green spell, you may untap Nettle Sentinel.

Arboreal Grazer

Reach
When Arboreal Grazer enters, you may put a land card from your hand onto the battlefield tapped.

Lotus Petal

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Banishing Knack

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Skyshroud Cutter

If you control a Forest, rather than pay this spell's mana cost, you may have each other player gain 5 life.

Gigadrowse

Replicate {U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Tap target permanent.

Wirewood Savage

Whenever a Beast enters, you may draw a card.

Simian Spirit Guide

Exile Simian Spirit Guide from your hand: Add {R}.

Manamorphose

Add two mana in any combination of colors.
Draw a card.