When the Colossus comes out, there aren't many answers
BT10-083 SR Digimon Lv.6 Minervamon Color Purple Cost 12 DP 11000 Digivolve Cost 1 Purple 3 from Lv.5 Form Mega Attribute Virus Type Shaman/Olympos XII Card Text 1 [Effect] Retaliation (When this Digimon is deleted in battle, delete the Digimon it battled.) [Opponent's Turn] When an opponent plays a Digimon, you may play 1 level 4 or lower purple Digimon card from your trash without paying its play cost
With Rank-Up Magic, some easy-to-use monsters that get Level 9 monsters onto the field easily, and cards like Safe Zone and Number Wall to protect it, you can keep your Chaos Dyson Sphere on the field until you end the Duel with its effect
Fiend ArtisanFiend Artisan (11,748 Inclusions, 5% of 228,397 Decks) I don't know that I'm breaking any headlines here, but Fiend ArtisanFiend Artisan is busted
(When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.) Equipped creature gets +2/+2