Oko's Madness

(Start the game with this conspiracy face up in
the command zone.)
Elks your opponents control have hexproof and indestructible.
{1}{u},discard a card from your hand: Target
creature loses all abilities and becomes a
green Elk with base power and toughness 3/3.
"A night in the Wilds could bring you closer to
your father."-Ayara to Will at Locthwain