Bloom Tender and Najeela do not have summoning sickness.
You control a blue, white, and black permanent.
Opponents can not block and kill creatures you control.
Steps
Declare Najeela and Bloom Tender as attackers.
Najeela and Raggadragga's second ability triggers.
Resolve the Najeela trigger, creating a 1/1 Warrior creature token that is tapped and attacking.
Resolve the Raggadragga trigger, untapping Bloom Tender.
Activate Bloom Tender by tapping it, adding ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) that cannot be spent to pay generic mana costs.
Activate Najeela by paying ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one.