There are no shortages of strong artifacts to copy such as Cyberman Patrol to stack afflict effects or double up on your mana rocks to have no trouble ever casting your spells
The Giratina V SA from S11 Lost Abyss is the single most valuable card you can pull from a standard modern Japanese Pokemon TCG expansion at roughly $984 raw and $1,700+ in a PSA 10 slab, it commands prices that rival vintage chase cards
Exdeath, Void Warlock On the face, a 3/3 with a bit of life gain is only okay, but come the mid to late game, he transforms into a 6/3 or bigger trampler to put the game away
Lorcana Archazia's Island Lorcana Attack of the Vine Lorcana Azurite Sea Lorcana Fabled Lorcana First Chapter Lorcana Illumineer's Quest: Deep Trouble Lorcana Into the Inklands Lorcana Promo Lorcana Reign of Jafar Lorcana Rise of the Floodborn Lorcana Shimmering Skies Lorcana Ursula's Return Lorcana Whispers in the Well Lorcana Wilds Unknown Lorcana Winterspell What's Your Lorcana Card Collection Worth
Basically, as long as youre casting big creatures, youre growing the commander and drawing cards