Deadshot Minotaur
Creature — Minotaur
When this creature enters, it deals 3 damage to target creature with flying.
Cycling 
(, Discard this card: Draw a card.)
"May the earth rise up to meet you."
Jason Chan
Alara Reborn (ARB)
• #52Rulings
The "enters" ability is mandatory. If you're the only player who controls a creature with flying, you must target one of those creatures.
(wotc • 2009-05-01)
Rulings
The "enters" ability is mandatory. If you're the only player who controls a creature with flying, you must target one of those creatures.
(wotc • 2009-05-01)