Opponents can not block and kill creatures you control.
You control a blue and a black permanent.
Steps
Declare
Najeela and
Beacon Hawk as attackers.
Najeela triggers, creating a 1/1 Warrior creature token that is tapped and attacking.
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.
Deal combat damage with
Najeela and
Beacon Hawk.
Beacon Hawk triggers, untapping
Bloom Tender.
Repeat each combat phase.
Results
Infinite combat phases.
Infinite creature tokens.
Infinite ETB.
Infinite lifegain.
Infinite lifegain triggers.
Metadata
In 1 deck according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).