Queen Gillian Tamorath, the...

Hero (You may tap any number of Civilian creatures
you control to pay for that much mana towards
casting this creature.)
Lost and Found When Queen Gillian Tamorath,
the... enters the battlefield, swap the power and toughness of target creature.
{1}{w} If Queen Gillian Tamorath, the... is a 4/2, it becomes a 5/3 with Lifelink.
{2}{g} If Queen Gillian Tamorath, the... is a 5/3, it becomes a 6/4 with "You may spend {g}{g} to regenerate this creature."