Reach (This creature can block creatures with flying.)
Tadeas, Juniper Ascendant has
hexproof (This permanent can't be the target of spells or abilities your opponents control.) unless he's attacking.
Whenever a creature you control with
reach (This creature can block creatures with flying.) attacks, untap it and it can't be blocked by creatures with greater power this combat.
Whenever one or more creatures you control deal combat damage to a player, draw a card.