If you use its activated ability, which requires you to sacrifice another creature, you get to not only draw a card, but also put a land into play
Still, what's been made public is certainly exciting

Flaaffy Wool Pokmon Source: official-artwork Source: official-artwork Genera Wool Pokmon Flaaffy 028/083 Ninja Spinner Team Rocket's Flaaffy 035/098 Glory of Team Rocket Flaaffy 020/066 Battle Academy Flaaffy 006/021 Scarlet & Violet Starter set ex Fuecoco & Ampharos ex Flaaffy 010/028 Premium Trainer Box ex Flaaffy 025/SV-P Scarlet & Violet Promos Flaaffy 037/172 VSTAR Universe Flaaffy 037/172 VSTAR Universe Flaaffy 010/030 Special Deck Set Charizard VSTAR vs Rayquaza VMAX Flaaffy 003/020 VSTAR & VMAX High Class Deck Zeraora Flaaffy 006/030 Premium Trainer Box - VSTAR Flaaffy 134/414 Start Deck 100 Flaaffy 135/414 Start Deck 100 Flaaffy 052/184 VMAX Climax Flaaffy 194/184 VMAX Climax Flaaffy 125/100 Fusion Arts Flaaffy 027/067 Blue Sky Stream Flaaffy 019/070 Jet-Black Poltergeist Flaaffy 031/127 V Start Deck Flaaffy 005/052 Dark Order Flaaffy 035/095 Super Burst Impact Flaaffy 018/054 Cruel Traitor Flaaffy 020/050 Dragon Blast Flaaffy 032/070 HeartGold Collection Flaaffy 035/096 Galactic's Conquest Flaaffy DPBP#208 Constructed Standard Deck Dialga LV.X Flaaffy DPBP#208 Shining Darkness Flaaffy 050/068 Offense and Defense of the Furthest Ends Flaaffy 036/106 Golden Sky, Silvery Ocean Dark Flaaffy 038/084 Rocket Gang Strikes Back Flaaffy 024/054 Rulers of the Heavens Flaaffy 047/087 Wind from the Sea Flaaffy 039/128 Base Expansion Pack Dark Flaaffy Darkness, and to Light

Master Hyperion's effect might be out of date in the modern era, but it still had a massive impact on the history of Yu-Gi-Oh
So if I make my commander Captain America, First Avenger (a red-white-blue creature), I cannot use any green or black cards while building that deck