I am aware of the positioning test cards and such but I can only imagine an actual no-rarity Charizard playtest card with a wonky illustration like the cards below Also, I recommend checking this link to anyone interested in more MTG playtest cards from before the game even existed: link These predate all actual MTG products and were made in very limited quantities between 1990-1992: I bought the Mountain off ebay from Keith Adams, a very prominent playtest and misprint collector, who got it directly from R
C Common Caligo Claw Crow X DARK Level 2 [ Winged BeastEffect ] ATK 900 DEF 600 If you control a DARK monster, you can Special Summon this card (from your hand)
These formats are exclusive to Arena due to the presence of digital-only cards that are legal in these formats, often referred to as simply "Alchemy cards"
Raw, martial energy with balanced environmental storytelling
Gardevoir ex (Scarlet & Violet) this chase card from the Scarlet & Violet series has a bulky body with a decent attack and a frankly crazy Energy acceleration ability
One definition talks about "flinging a monkey." This is a throwback joke to the card Lexivore from Unglued that's shown eating its own flavor text