Doomed Traveler

When Doomed Traveler dies, create a 1/1 white Spirit creature token with flying.

Unearth

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling {2} ({2}, Discard this card: Draw a card.)

As an additional cost to cast this spell, sacrifice a creature or enchantment.
Exile target creature.

When this creature dies, create a 1/1 black and green Insect creature token with flying.

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.