Although it is called heroic, what he is doing is that of a vicious villain
The combo starts by typically searching or sending "Water Enchantress of the Temple" to GY then using the effect of "Water Enchantress" to search "Rite of Aramesir", which culminates into searching or Summoning "Wandering Gryphon Rider", "Dracoback, the Rideable Dragon, or "Illegal Knight" to provide various disruption effects
There are also other cards that can give more options to the Deck, such as: "Djinn of Rituals" monsters: if used for a Ritual Summon, they give that Ritual monster additional effects, such as immunity against Trap Cards, effects that target it, or even preventing the opponent from Special Summoning (Traditional only)
It is strong when placed alongside the final board
By selecting an archetype that aligns with your preferred playstyle, you can take advantage of the inherent synergy and strength that these card groups provide
add it to your hand, then you can shuffle 1 card from your hand into the Deck and take control of 1 face-up monster your opponent controls