LvB, Slimy Citadel

When LvB, Slimy Citadel enters the battlefield,
search your library for up to one forest and one
island. Reveal them and put them into your hand.

LvB, Slimy Citadel gets +1/+0 for each artifact you
control.

Whenever a human spell enters the battlefield, you
may pay {u}{g} or tap two artifacts you control. If
you do, copy that spell. You may choose new targets
for the copy.