Isolation Cell

Whenever a player casts a creature spell, that player adds .

Black creature spells you cast cost less to cast.

Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

Flying

Whenever a player casts a spell, they lose 1 life for each spell they've cast this turn.

At the beginning of your upkeep, each player draws a card.

Whenever an opponent draws a card, that player loses 1 life.

When this creature enters, target opponent loses 3 life.

As this artifact enters, choose a color.

Whenever a player casts a spell of the chosen color, you may gain 1 life.

: Add one mana of the chosen color.