Biotower

Biotower cannot be played from your hand.
When Biotower enters play, create three treasure
tokens and three powerstone tokens. Lost 6 Life.
{4}{t}Choose one: gain control of target creature
permanently, or your artifact spells cost {2} less to
play until end of turn. Gain 2 Life.
Figuring out how o fuse nature with machines was a
Tyranian fixation.