Agadeem Occultist

When this creature specializes, remove all study counters from it. When you do, put target creature card with mana value less than or equal to the number of study counters removed this way from a graveyard onto the battlefield under your control.

: Draw a card, then discard a card.

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.

Menace (This creature can't be blocked except by two or more creatures.)

Whenever this creature attacks, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the number of modified creatures you control. (Equipment, Auras you control, and counters are modifications.)

Flying

Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

When this creature dies, return another target creature card with mana value less than or equal to this creature's power from your graveyard to the battlefield.

When this creature enters, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power.

, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

Whenever this creature enters, target creature you control or creature card in your graveyard perpetually gains "Whenever a creature you control with greater mana value than this card dies, return this card from your graveyard to the battlefield tapped."