Elf Warrior

Grave Venerations

When this enchantment enters, you become the monarch.
At the beginning of your end step, if you're the monarch, return up to one target creature card from your graveyard to your hand.
Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

Emrakul and Chatterfang

Devoid (This card has no color.)
Flying, Trample, Forestwalk, protection from non-Squirrels
When you cast Emrakul and Chatterfang, create 15 1/1 green Eldrazi Squirrel Scion creature tokens with "Sacrifice this creature: Add {G} or {B}".

Blowfly Infestation

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Flourishing Defenses

Whenever a -1/-1 counter is put on a creature, you may create a 1/1 green Elf Warrior creature token.