Thea, Eden's Caretaker

You may play an additional land on each of your
turns.
Sacrifice Thea, Eden's Caretaker: When another
target creature or land you control is put into a
graveyard from the battlefield this turn, return it
to its owner's hand at the beginning of the next
end step.
When Thea dies, you gain life equal to the
number of lands you control.