Gladehart Cavalry | Creature | Elf Knight | When Gladehart Cavalry enters the battlefield, support 6. (Put a +1/+1 counter on each of up to six other target creatures.)
Whenever a creature you control with a +1/+1 counter on it dies, you gain 2 life. | Steven Belledin
Oath of Nissa | Legendary Enchantment | | When Oath of Nissa enters the battlefield, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
You may spend mana as though it were mana of any color to cast planeswalker spells. | Wesley Burt
Sylvan Advocate | Creature | Elf Druid Ally | Vigilance
As long as you control six or more lands, Sylvan Advocate and land creatures you control get +2/+2. | Volkan Baǵa
Zendikar Resurgent | Enchantment | | Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.)
Whenever you cast a creature spell, draw a card. | Chris Rallis
Mina and Denn, Wildborn | Legendary Creature | Elf Ally | You may play an additional land on each of your turns.
{R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn. | Izzy
Hissing Quagmire | Land | | Hissing Quagmire enters the battlefield tapped.
{T}: Add {B} or {G}.
{1}{B}{G}: Hissing Quagmire becomes a 2/2 black and green Elemental creature with deathtouch until end of turn. It's still a land. | Cliff Childs