I did have an actual heated match against someone, and that was the most fun with MTG Arena since I got started
To buff the attack power, a creature card like Terror of Mount Velus, which gives double strike to all creatures under the players control until the end of the turn, is of great use
During that player's next turn, as the chosen phase begins, you treat it as if it were your turn
Looking at the origins of the word in African American slang, most dictionary etymologies guess its a version of junky from the 80s, but an interesting deeper dive suggests it might have started as a version of jinky in the 1970s, which seems to refer to things that wobble around, like playground equipment
You could kick a spell to create a token, but that wasn't what I was after