Hellkite Charger triggers, causing you to pay ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) to untap all attacking creatures and to get an additional combat phase after this one.
Deal combat damage using
Rith.
Rith triggers, causing you to pay ({2} magic symbol) ({G} magic symbol) to create at least ten 1/1 Saproling creature tokens.
Phyrexian Altar seven times by sacrificing seven Saprolings, adding ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Resolve the
Hellkite Charger trigger, causing you to pay ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) to untap all attacking creatures and to get an additional combat phase after this one.
Deal combat damage using
Rith.
Rith triggers, holding priority, activate
Phyrexian Altar three times by sacrificing three Saprolings, adding ({2} magic symbol) ({G} magic symbol) .
Resolve the
Rith trigger, causing you to pay ({2} magic symbol) ({G} magic symbol) to create at least ten 1/1 Saproling creature tokens.
Repeat from step 5.
If there are at least eleven permanents of any color on the battlefield, this combo nets infinite Saproling tokens and colored mana.