Summoned Skull

Flying, vigilance, trample

Tribute Summon 6 (You may sacrifice any number
of creatures with total mana value equal to 6 or
greater rather than pay this spell's mana cost.)

Whenever Summoned Skull becomes tapped
(defense position), its gets -0/-3 .(7/4)

ATK 2500 = 7
DEF 1200 = 4