Monazar, Mountain Guardian

Mountianwalk, Vigilance, Menace, Double Strike, Trample
All lands are mountains in addition to their
original type and are also 6/6 elementals with
Reach and Defender
This creature gets +0/+1 for each red creature
you control and its power is equal to the number
of mountains you control
{r}{r}{r}: All creatures gain +3/+0 First Strike, Vigilance, and Trample until end of turn