Puppeteer Clique does not have a -1/-1 counter on it.
Steps
Activate
Phyrexian Altar by sacrificing
Puppeteer Clique, adding ({BG} magic symbol) .
When
Puppeteer Clique dies, its persist ability triggers, returning it to the battlefield from your graveyard with a -1/-1 counter on it.
When
Puppeteer Clique enters the battlefield, it triggers, putting target creature card from an opponent's graveyard onto the battlefield under your control.
Activate
Quillspike by paying ({BG} magic symbol) and removing the -1/-1 counter from
Puppeteer Clique, giving
Quillspike +3/+3 until end of turn.
Repeat.
You may also sacrifice the creature put under your control by
Puppeteer Clique during each iteration to get infinite colored mana.
Results
Infinite colored mana.
Infinite death triggers.
Infinite ETB.
Infinite LTB.
Infinitely large
Quillspike until end of turn.
Infinite sacrifice triggers.
Put all creatures from each opponent's graveyard onto the battlefield under your control.