These triangles indicate pointers, or the directions of the field slots in which their special effects happen
Adding white lets this Jeskai commander play cards like Monastery Mentor and Elspeth, Sun's Champion for even more token production
however, the Angels chosen feel very lackluster to me
(This Digimon checks 2 fewer security cards.) Card Q&A Q1730 Mar
Card Text: Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever combat damage is dealt to you or a planeswalker you control, if Vengeful Pharaoh is in your graveyard, destroy target attacking creature, then put Vengeful Pharaoh on top of your library
Mighty Roar: Odd-Eyes Rebellion's Monster Effect that destroys all Level 7 or lower monsters the opponent controls is called Overload Howling in the anime and generates strong sonic waves