The Power Gem

Indestructible, Affinity for Infinity Gems
If you activate an ability of a permanent you
control or a triggered ability of a permanent
you control triggers, you may pay {1}. If you
do, copy that ability.
{5}{g}{g}, {t}, Tap two other untapped
Infinity Gems you control: Target creature
you control gets +18/+18 until your next turn.