Trample Matters Having a commander with trample unlocks a few considerations for your deck
If a Drampa-GX has three energy, then it only takes three energy on a Gardevoir-GX to deliver a OHKO, and Twilight GX can put all Items cards back in your deck, rendering Garbodor nothing put a useless pile of trash
Psychic Set #231 Art by Iwamoto05 View card details Rank #2 Cynthia's Garchomp ex Special illustration rare #232 $210.59 TCGplayer Ranked #2 in the set, trading at roughly 40% of the top card's price
The most broken thing you can do with this card is to remove all the counters from your suspended spells, getting them quickly onto the battlefield or making your vanishing cards last longer
Being a creature is an advantage here because you can guarantee its resolution with Cavern of Souls
Blue has counterspells, black has removal, and red has direct damage and burn, plus the Grixis commander allows a bunch of effects that let you take control of a target creature