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.
Results
Infinite colored mana.
Infinite combat damage.
Infinite combat phases.
Infinite creature tokens.
Infinite death triggers.
Infinite creature ETB.
Infinite lifegain.
Infinite lifegain triggers.
Infinite creature LTB.
Infinite creature sacrifice triggers.
Metadata
In 6 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).