Elsie, The Elsenator

Flash, Vigilance
When Elsie, The Elsenator enters the battlefield,
exile the top 2 cards of each players library.
Until your next end step, you may play all cards
exiled this way with mana value X or less without
paying the cost to cast it.
{2}{w}: Elsie, The Elsenator barks. (Choose one
target creature for each opponent. Creatures chosen
this way cannot deal combat damage until your next
end step.)