Tap Kiki-Jiki to create a token copy of Ancestor's Chosen with haste.
The token enters gaining you 12 life.
Pay 12 life to Treasonous Ogre to add {R}{R}{R}{R}.
Pay {1} to untap Staff of Domination and {3} and tap Staff of Domination to untap Kiki-Jiki.
Repeat.

Infinite creature tokens with haste

Infinite ETB

Infinite lifegain triggers

Kiki-Jiki, Mirror Breaker

Staff of Domination

Treasonous Ogre

Ancestor's Chosen

Tap Kiki-Jiki to create a token copy of Ancestor's Chosen with haste.
The token enters gaining you 9 life.
Pay 9 life to Treasonous Ogre to add {R}{R}{R}.
Pay {3} to untap Kiki-Jiki.
Repeat.

Combos with "Ancestor's Chosen"