Creature with "When this creature ETBs, create 1+ creature token(s)"
Initial Card State
All permanents on the battlefield (
Saheeli without summoning sickness ).
Notable Prerequisites
Saheeli does not have summoning sickness.
Creatures you control can tap to produce at least ({U} magic symbol) ({R} magic symbol) .
Mana Needed
({U} magic symbol) ({R} magic symbol) available.
Steps
Activate
Saheeli by paying ({U} magic symbol) ({R} magic symbol) and tapping it, creating a token copy of the creature that creates one or more creature token(s) when it enters with haste.
When the creature enters, it and
Intruder Alarm trigger.
Resolve the
Intruder Alarm trigger, untapping all creatures.
Resolve the creature's trigger, creating at least two creature tokens.
When the creature tokens enter the battlefield,
Intruder Alarm triggers twice, untapping all creatures twice.
Activate
Phyrexian Altar by sacrificing two creature tokens, adding ({U} magic symbol) ({R} magic symbol) .
Repeat.
Activate any number of creatures by tapping them, adding at least ({U} magic symbol) ({R} magic symbol) .
Activate
Saheeli by paying ({U} magic symbol) ({R} magic symbol) and tapping it, creating a token copy of another creature you control with haste.
When the creature token enters the battlefield,
Intruder Alarm triggers, untapping all creatures.
Repeat.
If creatures you control can tap to produce at least ({1} magic symbol) ({U} magic symbol) ({R} magic symbol) , this combo nets infinite mana.
Notes
If the creature chosen makes two or more tokens, this combo will provide the infinite creature tokens with haste and colored mana results. Otherwise, those results are not provided.
Results
Infinite LTB.
Infinite ETB.
Infinite colored mana.
Infinite sacrifice triggers.
Infinite death triggers.
Infinite creature tokens with haste.
Infinite mana creatures you control can produce.
Infinite untap of all creatures.
Infinite copies of all other creatures you control with haste.