Rancor

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

Aether Chaser

First strike
When this creature enters, you get {E}{E} (two energy counters).
Whenever this creature attacks, you may pay {E}{E}. If you do, create a 1/1 colorless Servo artifact creature token.

Mountain

Forest

Attune with Aether

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You get {E}{E} (two energy counters).

Slagwoods Bridge

This land enters tapped.
Indestructible
{T}: Add {R} or {G}.

Sage of Shaila's Claim

When this creature enters, you get {E}{E}{E} (three energy counters).

Nettle Sentinel

This creature doesn't untap during your untap step.
Whenever you cast a green spell, you may untap this creature.

Elephant Guide

Enchant creature
Enchanted creature gets +3/+3.
When enchanted creature dies, create a 3/3 green Elephant creature token.

Thriving Grubs

When this creature enters, you get {E}{E} (two energy counters).
Whenever this creature attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Thriving Rhino

Highspire Infusion

Target creature gets +3/+3 until end of turn. You get {E}{E} (two energy counters).

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Quirion Ranger

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