Alien Mind Spore

At the beginning of your upkeep, target opponent reveals their hand. You may choose a
nonland card from it. If you do, that player exiles
that card. You may play that card for as long as it remains exiled, and you may spend mana as
though it were mana of any color to cast it.
Gain control of target creature opponent controls,
pay {2} each turn to hold on to control while the enchantment is in the field, if you lose control tap
this enchantment and wait again until next turn.
Do not control th