The Pokemon TCG Mew VMAX League Battle Deck is the best way to enter the competitive scene for newcomers
Hull Breach I think Hull Breach is a meta call
Finally, Red + Green Burn tends to punish what Green hates, namely all-things winged or artificial (Clan Defiance, Cindervines, Ruric Thar, the Unbowed, etc.), or staples Burn onto already-useful effects (Vengeful Rebirth, Exploding Borders, etc.)
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For example, my own Mazirek, Kraul Death PriestMazirek, Kraul Death Priest deck (which I'll be showing off shortly) has several creature-based sacrifice outlets, such as Viscera SeerViscera Seer, Bloodthrone VampireBloodthrone Vampire, Bloodflow ConnoisseurBloodflow Connoisseur, Dimir House GuardDimir House Guard*, and Sadistic HypnotistSadistic Hypnotist
In formats like Commander, this card is very common