More importantly, this effect wont be destroying your own creatures
It does come with a drawback that keeps it from being any higher on this list, however- it costs three mana to recur it, in addition to the ability being conditional
Ignore its alternative characteristics in those cases
Played in 10,318 decks over at EDHREC.com so it's pretty commonly seen at the kitchen table quite often, and this is a green version, but two to tap so you can more easily cast and use it on the same turn without frumping around
(You descended if a permanent card was put into your graveyard from anywhere.) Legendary Artifact Chimil, the Inner Sun Spells you control can't be countered
Flying and cheap thanks to affinity, it forces each opponent to discard when it enters