The Knightfall Bat

Begin the game with this card revealed.
Only creatures you control have intimidate,
shroud during combat. During combat,
select one creature you control, it gains
shadow. (This creature can block or be
blocked by only creatures with shadow.)
When a creature you control with shadow
inflict damage to a player, they discard two
cards and take double combat damage.
Win: Eliminate a player with a creature
that has shadow.