We have, of course, seen cards with abilities like these played consistently in competitive play, so its quite possible Pluto will see play as well
1 Traditional foil uncommon with the showcase Ring treatment (23.3%), a borderless scene common (41.8%) or uncommon (32.6%), or a Nazgl uncommon (2.3%) Here, you can open one of the listed cards in traditional foil (which can include the common and uncommon borderless scene cards found in Prerelease Packs and Bundles)
Lately, MTG has been shaping Dimirs color identity towards threshold, considering that your cantrips and spot removal spells end up filling the graveyard
Its activated ability, paying 1 life and Blighting 2, forces your opponent to shrink their creatures while you potentially benefit from placing counters on your own
Trample Thrun cant be the target of nongreen spells your opponents control or abilities from nongreen sources your opponents control