Kumena, Tyrant of Orazca

Kumena, Tyrant of Orazca {1}{G}{U}

Legendary Creature - Merfolk Shaman | Power/Toughness: 2 / 4 (CMC 3)
Tap another untapped Merfolk you control: Kumena, Tyrant of Orazca can't be blocked this turn.
Tap three untapped Merfolk you control: Draw a card.
Tap five untapped Merfolk you control: Put a +1/+1 counter on each Merfolk you control.