Their work is recognizable for clean compositions and strong metallic foil contrast, and they are responsible for many of the Pokemon-only (non-character) SARs
While this ability makes cards like Abzans alternate Commander, Betor, Ancestors Voice, attack for five damage despite its 3/5 stats, Felothars ability is even more important for cards that have zero power, of which there is no shortage in Magic
Anything from older sets because a sought-after auction item and hype over new illustration rare cards from current expansions created a frenzy that left stores limiting customer purchases on TCG products
In the four-drop slot, like you mentioned, Grid Monitor is a proactive creature counter
Erebos serves as both a sacrifice outlet and a payoff for sacrificing cards since it triggers off anything that dies, plus its hard to remove and becomes a massive threat later in the game
If you're also interested in card-driven adventure games with a similar strategic depth, there's plenty to explore