digimon digital card battle psp which still has the registration card Digimon Digital Card Battle :

(They arent actually my Top 25

Advanced Search Sets Random Syntax Avian Oddity Barrier Breach Boon of the Wish-Giver Coordinated Charge Drannith Healer Drannith Stinger Easy Prey Flourishing Fox Footfall Crater Frostveil Ambush Go for Blood Greater Sandwurm Hampering Snare Imposing Vantasaur Indatha Crystal Indatha Triome Ketria Crystal Ketria Triome Lava Serpent Memory Leak Migration Path Monstrous Step Neutralize Ominous Seas Raking Claws Raugrin Crystal Raugrin Triome Reconnaissance Mission Rooting Moloch Sanctuary Smasher Savai Crystal Savai Triome Shark Typhoon Shredded Sails Splendor Mare Startling Development Suffocating Fumes Titanoth Rex Titanoth Rex Unpredictable Cyclone Valiant Rescuer Void Beckoner Will of the All-Hunter Wilt Yidaro, Wandering Monster Yidaro, Wandering Monster Zagoth Crystal Zagoth Triome Zenith Flare

Duel with your friends, or check out a local store that runs tournaments

I really didn't know how I could perfect the idea, but basically you're using Pilica to generate two monsters for the Tribute Summon of Raiza the Mega Monarch, LaDD, or other strong 2-tribute monsters

Normal prices range from $0.49 to $96.95