Trapped Portal

Counter target creature or planeswalker spell
unless its controller pays {3}. If they do the
creature enters tapped or the planeswalker
enters with 1 less loyalty counter.
If you control a commander, this spell has
Split Second. If both are in play, it now
costs {2}{p/u} to cast and you may Scry 1.
"The plain of Hyrule is connected by a vast network
of elaborate portals... that can be turned off anytime"