When Rosie enters the battlefield, its first ability triggers, creating a Food artifact token.
Rosie's second ability triggers, putting a +1/+1 counter on Lonis.
Lonis' second ability triggers, creating a Clue artifact token.
Repeat from step 3.
Once you would like to break the combo, you may use Rosie's trigger to put a +1/+1 counter on any creature you control except Lonis, or you may remove Lonis and/or Rosie instead.
NOTE: A failure to break the combo will force the game to end in a draw due to a mandatory infinite loop.
When Rosie enters the battlefield, its first ability triggers, creating a Food artifact token.
Rosie's second ability triggers, putting a +1/+1 counter on Lonis.
Lonis' second ability triggers, creating a Clue artifact token.
Repeat from step 3.
Once you would like to break the combo, you may use Rosie's trigger to put a +1/+1 counter on any creature you control except Lonis, or you may remove Lonis and/or Rosie instead.
NOTE: A failure to break the combo will force the game to end in a draw due to a mandatory infinite loop.