Bolshack Valkyrie

Trample, haste
Bolshack Valkyrie has Blitz {2}{r} as long as you
control six or more lands.
Whenever Bolshack Valkyrie attacks, if you
control three or more other red permanents,
you may discard your hand. If you do, draw three
cards. For each card discarded this way, Bolshack
Valkyrie gets +4/+0 until end of the turn.