Once per turn, during the End Phase, if this card destroyed an opponent's monster by battle this turn: Special Summon 1 "Insect Monster Token" (Insect/EARTH/Level 1/ATK 100/DEF 100) in Attack Position
7 Heroic Intervention Heroic Intervention is a fairly expensive but hugely powerful instant that can save an entire board state from destruction
Many of these qualities, however, arent easily apparent, which is why collectors get their cards graded
Miltank Miltank (Astral Radiance) is a card that has seen quite a lot of play since its release in Astral Radiance
Ive played against it a couple of times in Brawl on MTG Arena, and if you cant deal with Narset before it attacks, it's pretty much game over due to its ability that lets it target non-creature spells from any graveyard, exile them, and cast a copy for free
The same is true of spells and abilities that distribute counters