Dispersal Sphere

When Dispersal Sphere enters the battlefield,
return target permanent to its owner's hand.
Other players can't cast spells or play lands that
share a name with that permanent until the next
end step.
{2}{u}{u}, {t}: Exile Dispersal Sphere, then return
it to the battlefield under its owner's control.
"Like the seas, the aether is fickle and ever-changing."
- Riptide Project director