At the beginning of your upkeep, Howltooth Cliff deals 1 damage to target creature you control.
: Add or to your mana pool.
Put Howltooth Cliff on top of your library: Add to your mana pool.
: Return Howltooth Cliff to its owner's hand.
: Add 
or 
to your mana pool.
to your mana pool. : Return Howltooth Cliff to its owner's hand.
