It's like the realized it was terrible and cut all the cards that had the ability, but they were proud of having created a "new" ability so they couldn't axe it completely
If it is, say, a UFO turtle or a Fencing Fire Ferret who pay for themselves, then this card would be brilliant, tacking on an extra 800 damage + some thinning alongside the destroyed monster's effects
Whenever you gain life, put that many +1/+1 counters on target Halfling or Treefolk
Seriously, play Once Upon a Time
Tytannial, Princess of Camellias X WIND Level 8 [ Plant / Effect ] ATK 2800 DEF 2600 When a card or effect is activated that targets a card(s) on the field (Quick Effect): You can Tribute 1 face-up Plant monster
Inside, Yugi and Joey wander around and can be challenged to duels if you like