Given how unforgiving the tempo of Constructed can be, my first recommendations will be those battles that front load their value with strong ETB effects with an extra nod if it seems plausible to defeat it and get the backside
We'd love to chat about it in the official Wargamer Discord community
Korlessa, Scale Singer Korlessa, Scale Singer is the first of many multicolor dragon commanders
Lugia ex ( Wisdom of Sea and Sky ) can deal a hefty 180 damage for 3 Energy with Elemental Blast, enough to KO nearly any non-buffed Pokmon in the game
With all sorts of ways to tap down creatures, with cards like Sleep, Opposition, and Timin, Youthful Geist, you have a plethora of cards to not only lock down your opponents, but to provide tons of board presence and card advantage over the course of the game