Martyr's Soul

Martyr's Soul

Creature - Spirit Soldier | Power/Toughness: 3 / 2 (CMC 3)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
When Martyr's Soul enters the battlefield, if you control no tapped lands, put two +1/+1 counters on it.