Phenomenon Investigators

Whenever another Zombie you control dies, if it didn't have decayed, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

At the beginning of your end step, you may sacrifice a Zombie. If you do, draw a card.

Lifelink

Whenever one or more creatures you control deal combat damage to a player, you draw a card and lose 1 life.

Void — At the beginning of your end step, if a nonland permanent left the battlefield this turn or a spell was warped this turn, create a 2/2 colorless Robot artifact creature token.

Zombies you control get +1/+0.

At the beginning of your end step, if a creature died this turn, you may pay . If you do, create a 2/2 black Zombie creature token.

Whenever another creature you control dies, you get an experience counter.

At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.

Whenever Jerren enters or another nontoken Human you control dies, you lose 1 life and create a 1/1 white Human creature token.

: Target Human you control gains lifelink until end of turn.

At the beginning of your end step, if you have exactly 13 life, you may pay . If you do, transform Jerren.

Flying

When this creature enters, return a blue or black creature you control to its owner's hand.

Whenever this creature deals combat damage to a player, look at that player's hand and choose a card from it. The player discards that card.