Dark Magician

Reach, vigilance, trample

Tribute Summon 7 (You may sacrifice any number
of creatures with total mana value equal to 7 or
greater rather than pay this spell's mana cost.)

Whenever Dark Magician becomes tapped
(defense position), its gets -0/-1 .(7/6)

ATK 2500 = 7
DEF 2100 = 6