Neb Habeb, Master Tinkerer

{x}: Gain control of target aura enchantment with
converted mana cost X or less. You may pay one
third X life, rounded down. If you do, attach that
aura to another target permanent it can enchant.

{t}, Discard a card with converted mana cost X,
and tap Y untapped, nontoken permanents you
control: Create a token that is a copy of target
artifact with converted mana cost X + Y, except
it has your choice of Phasing, Vanishing X, or
Echo Y. It enters the battlefield tapped.