Soul Collector

Whenever a creature dealt damage by this creature this turn dies, return it to the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.

At the beginning of each end step, if a creature dealt damage by this creature this turn died, put that card onto the battlefield under your control. Sacrifice it when you lose control of this creature.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Trample

When this creature dies, if it dealt combat damage to a player this turn, return it to the battlefield under its owner's control.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Flying

Whenever this creature deals damage to a creature, this creature deals 3 damage to that creature's controller and 3 damage to you.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following abilities until end of turn.)

Deathtouch

Whenever this creature deals combat damage to a player or battle, return target creature card from your graveyard to the battlefield.