Official rules state that you are not allowed to use proxy cards in tournaments as they require authentic cards as the prizes usually end up being cash awards
Key Features: Exquisite Design:The intricate detailing of the Pokemon character is brought to life with precision, showcasing the artistry of this limited edition card
Obviously it is a big one shot sacrifice effect that can be used for the combo kill
Now a lot of those cards are going to be random 1/1 and 2/2 token-making tools
Iconic Cards: Snapcaster Mage, Vendilion Clique, Delver of Secrets, Teferi, Time Raveler Popular Decks: Delver, Spirits, Ponza, Izzet, Mongoose, Prowess 5 Combo Combo decks win by assembling a combination of cards that either win the game immediately, or make it so exceptionally difficult for the opponent to win that they often concede on the spot