Aesi, Compleated Tyrant

Trample (if life is used to pay {p/g} "Aesi, Compleated
Tyrant" comes into play with -2/-2 and loses trample)
If you tap a land for mana, you may add twice the
amount of mana of any color that land could
produce to your mana pool. If you do, discard a
card and you lose 2 life.
Landfall; Whenever land enters the battlefield
under your control you may untap up to one
target non-land permanent you control.