Myr Enforcer

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Exhume

Each player puts a creature card from their graveyard onto the battlefield.

Burnt Offering

As an additional cost to cast this spell, sacrifice a creature.
Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.

Echoing Return

Return target creature card and all other cards with the same name as that card from your graveyard to your hand.