Treizeci Sun of Serra

“Companion — Your starting deck contains only nostalgic cards. <em>(Retro frames, legends, and artifacts are nostalgic.)</em> <br>Vigilance <br>Whenever you cast a nostalgic spell, you may pay 2. If you do, put a +1/+1 counter on Treizeci, then for each +1/+1 counter on it, create a Serra Angel token.”