It has the most explosive average game, which can help you overwhelm crowded battlefields
Once Derevi is on the battlefield, the common strategies involving it are either to go wide with a lot of evasive creatures to generate absurd amounts of mana from lands and mana rocks or to start tapping things down in tandem with Stax cards like Stasis and Winter Orb to create an incredibly tight stranglehold over the board
Paying exactly enough life to clear opponents threats while preserving your own utility creatures creates asymmetrical advantages that traditional board wipes cannot match
Mega Gengar ex (Special Illustration Rare) embed::[[Mega Gengar ex (me2pt5-284)]] Mega Gengar exs Special Illustration Rare, designed by danciao, is the definitive grail ghost of Ascended Heroes , quickly pushing into high-end trophy territory for collectors
Mox Amber sees plenty of play in the Modern deck Jeskai Breach where it becomes not just a fancy artifact but a combo piece as well
Just to see more of how it works