Have

Rugged Highlands

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {G}.

Mountain

Cinderslash Ravager

This spell costs {1} less to cast for each permanent you control with oil counters on it.
Vigilance
When this creature enters, it deals 1 damage to each creature your opponents control.

Carnivorous Canopy

Destroy target artifact, enchantment, or creature with flying. If that permanent's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Urabrask's Forge

At the beginning of combat on your turn, put an oil counter on this artifact, then create an X/1 red Phyrexian Horror creature token with trample and haste, where X is the number of oil counters on this artifact. Sacrifice that token at the beginning of the next end step.

Forest

Kuldotha Cackler

Trample
Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the number of permanents you control with oil counters on them.

Lattice-Blade Mantis

This creature enters with two oil counters on it.
Whenever this creature attacks, you may remove an oil counter from it. If you do, untap it and it gets +1/+1 until end of turn.

Furnace Strider

This creature enters with two oil counters on it.
Remove an oil counter from this creature: Target creature you control gains haste until end of turn.

Evolving Adaptive

This creature enters with an oil counter on it.
This creature gets +1/+1 for each oil counter on it.
Whenever another creature you control enters, if that creature has greater power or toughness than this creature, put an oil counter on this creature.

Ichorplate Golem

Whenever a creature you control enters, if it has one or more oil counters on it, put an oil counter on it.
Creatures you control with oil counters on them get +1/+1.

Predation Steward

This creature enters with two oil counters on it.
{2}{G}, {T}, Remove an oil counter from this creature: Target creature gets +2/+2 until end of turn. Activate only as a sorcery.

Rustvine Cultivator

{T}: Put an oil counter on this creature.
{T}, Remove an oil counter from this creature: Untap target land.

Incubation Sac

This artifact enters with three oil counters on it.
{4}, {T}, Remove an oil counter from this artifact: Create a 3/3 colorless Phyrexian Golem artifact creature token. Activate only as a sorcery.

Volt Charge

Volt Charge deals 3 damage to any target. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Armored Scrapgorger

This creature gets +3/+0 as long as it has three or more oil counters on it.
{T}: Add one mana of any color.
Whenever this creature becomes tapped, exile target card from a graveyard and put an oil counter on this creature.

Thirsting Roots

Choose one —
• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)