are altered mtg cards legal Hey so quick question, are altered cards like this tournament legal? Altered Ego MTG - Shadows

Here are the exact rules for Standard (the same rules apply to most other Constructed formats)

The search for self-discovery comes to a head on the battlefield, and it is this self-knowledge with which a warrior can earn recognition from peers

Put the exiled cards on the bottom in a random order.) Enchantment Color tag templates(None) Dueling Grounds No more than one creature can attack each combat

This 5/4 Ooze Rogue is a Panharmonicon for combat damage triggers, which is very intersting in the Sultai colors

P.S.: I wanted to include Songcrafter MageSongcrafter Mage either as winner or runner-up, but it only grants harmonize to another card and doesn't have it itself, so it was not eligible