Eres, Elf Commander

{t}{w}{w}{g}{g}
Creature spells cost {2} less to cast
{g/w} Give creatures you control Lifelink until end
of turn
{g/w} Create two 1/1 Elf Warrior tokens
{g/w} Give creatures you control trample
until end of turn
{2} Gain control of target artifact
or enchantment