Declare Delina as an attacker, triggering its ability, targeting any creature.
Holding priority, activate Strionic Resonator by paying ({2} magic symbol) and tapping it, copying Delina's trigger, with the copy targeting Pestermite.
Resolve the copy of Delina's trigger, creating at least one token copy of Pestermite.
When the Pestermite token(s) enter the battlefield, they trigger, untapping Strionic Resonator and up to one other applicable permanent for each remaining trigger.
Activate Ashnod's Altar by sacrificing a Pestermite token, adding ({C} magic symbol) ({C} magic symbol) .
Repeat from step 2.
Results
Infinite LTB.
Infinite ETB.
Infinite sacrifice triggers.
Infinite death triggers.
Infinite colorless mana.
Infinite creature tokens.
Infinite mana permanents you control can produce.
Infinite untap of permanents you control.
Infinite copies of abilities you control on the stack.