Jace, Kitchen Table Arbitor

Rule Clarification: Whenever a player asks you a
rules question, you may pay {u} then draw a card.
Knowledge Pool: Whenever you draw a card, you
may pay {w/u}{w/u} then target creature can't attack or
block this turn.
"Jace's wisdom and love for MTG have made him
the go-to judge at kitchen tables across the multiverse."