Sentinel Spell-Bearer

Sentinel (Attacking doesn't cause this creature to tap
and it cannot be tapped by spells or abilities you don't
control. It can still be tapped as part of paying a cost.)
{t}, Discard a card, Return Sentinel Spell-Bearer
to your hand: Target spell or ability you control
gains split second. If an artifact or enchantment
was discarded this way, each player may scry 1.
If no one does, draw a card, then discard a card.