Lands you control can tap to produce at least ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) .
Steps
Declare
Najeela as an attacker, attacking an opponent unable to block and kill it.
Najeela and
Bear Umbra triggers.
Resolve the
Najeela trigger, creating a 1/1 Warrior creature token that is tapped and attacking.
Resolve the
Bear Umbra trigger, untapping all lands you control.
Activate all lands you control by tapping them, adding ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) .
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.
Repeat each combat phase.
Results
Infinite combat phases.
Infinite creature tokens.
Infinite ETB.
Infinite lifegain.
Infinite lifegain triggers.
Metadata
In 2541 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).