Ancient History To recap, this deck is led by Pantlaza, Sun-FavoredPantlaza, Sun-Favored, a 4/4 Dinosaur for five mana
For simplicity, my selections aim to have an artifact in play before my fourth turn
Spark Double also seems key, since Gyruda, Doom of Depths triggers whenever it enters the battlefield if you can mill a reanimate a Spark Double you can make a non-lgendary copy of Gyruda, Doom of Depths, giving you another enters the battlefield trigger to repeat the process
Make sure you copied your decklist by pasting it into a word processor first, and then try again
Whereas in Hearthstone, any win rate above 50% can converge to Legend eventually, in Magic Arena you need to be an above average player to make it