Flying (This creature can't be blocked except by creatures with flying or reach.)
: Vampire Bats gets +1/+0 until end of turn. Activate no more than twice each turn.
Flying
: +1/+0 until end of turn. You cannot spend more than in this way each turn.
"For something is amiss or out of place / When mice with wings can wear a human face."
—Theodore Roethke, "The Bat"
