Secret Lair Promo

Creature — Rat

This creature gets +1/+1 for each other creature on the battlefield named Relentless Rats.
A deck can have any number of cards named Relentless Rats.

Relentless Rats

Land

This land enters tapped.
Whenever a Mountain you control enters, if you control at least five other Mountains, you may have this land deal 3 damage to any target.
{T}: Add {R}.

Valakut, the Molten Pinnacle

Secret Lair Drop

Instant

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Arcane Denial

Creature — Zombie

Blue spells and red spells you cast cost {1} less to cast.
{1}{B}: Regenerate this creature.

Nightscape Familiar

Until end of turn, lands you control gain "Sacrifice this land: Add {B}."

Rain of Filth

Creature — Ape Spirit

Simian Spirit Guide

Demon's Herald

Prince of Thralls

Creature — Demon

Whenever a permanent an opponent controls is put into a graveyard, put that card onto the battlefield under your control unless that opponent pays 3 life.