Vren, the Relentless

At the beginning of your upkeep, each opponent loses X life and you scry X, where X is the number of Zombies you control.

: Exile target creature card from a graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie.

When The Scarab God dies, return it to its owner's hand at the beginning of the next end step.

Flying

Whenever you attack, surveil X, where X is the number of opponents being attacked.

At the beginning of each end step, if three or more cards were put into your graveyard from anywhere other than the battlefield this turn, draw a card.

Flying, lifelink

Whenever another nontoken creature you control dies, return that card to its owner's hand at the beginning of the next end step.

If a creature an opponent controls would die, exile it instead.

Whenever another Rat you control enters, exile up to one target card from an opponent's graveyard.

At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This token can't block."

Flash

When this creature enters, each token that would be created under an opponent's control this turn is created under your control instead.

Minthara has ward , where X is the number of experience counters you have.

At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter.

Creatures you control get +1/+0 for each experience counter you have.