Once per turn, if you take battle or effect damage: You can gain that much LP, and if you do, Special Summon 1 "Sunvine" monster from your Extra Deck
The average 60-card deck with 24 lands becomes a 60-card deck with 25 mana sources this way, and the spell count remains untouched
This tactic combos well with Spells that can activate in the Graveyard Succumbing-Song Morganite can search for Time-Tearing Morganite, for example
+1: Rowan, Scholar of Sparks deals 1 damage to each opponent
The Main Deck "Familiar-Possessed" monsters each have an effect that allows it to be Special Summoned from the hand or Deck by sending one "Charmer" monster and one other monster, both of the same Attribute as the "Familiar-Possessed" monster, from the player's field to the Graveyard, and when Summoned in this way, gives the "Familiar-Possessed" monster a piercing effect
The pack coloration and order look correct, too