Alsace-Lorraine

Alsace-Lorraine enters the battlefield with two
annex counters on it
{t}: Add one mana of any colour to your mana
pool
Whenever you tap Alsace-Lorraine for mana,
remove an annex counter from it. Then, if there
are no more annex counters on Alsace-Lorraine,
put two annex counters on it and target
opponent gains control of it.