mtg modern card list legal:modern · Scryfall Magic: The Gathering Search ELITE Mono Red Aggro Deck

She gives you mana that makes your creatures enter with two counters, and if you have a creature with counters die, she lets you convert them to +1/+1 counters and put them on another creature

Even though she is often overshadowed by her cheaper counterpart, Thalia, Heretic Cathar can still disrupt your opponent's plans

Dragon's Rage Channeler is a 1/1 that allows you to surveil whenever you cast a noncreature spell

Examples: Betor, Kin to All or Fangkeeper's Familiar

You're not even spending a card with flashback, and the 10 mana can be generated via cards like Nykthos, Shrine to Nyx or Nissa, Who Shakes the World