No, you cannot respond to mana abilities
Getting Pokmon cards graded through PSA or Beckett is worth it for vintage holos, first-edition cards, and any card worth over $50 raw, since graded copies consistently sell for significantly more
Additions: Cuts: Here's how the deck looks with the upgrades added: Further Upgrades Enchantress has an absurdly large card pool so there's tons of upgrade options, more than you could ever fit in a single deck: Serra's Sanctum, Urza's Saga, Hall of Heliod's Generosity, all the relevant fetchlands / shocks / ABU duals / bondlands / checklands / slowlands Lands: Utopia Sprawl, Birds of Paradise, Smothering Tithe Ramp: Argothian Enchantress, Femeref Enchantress Card Draw: Aura of Silence, Aura Shards Removal: Replenish, Whip of Erebos Recursion: Enlightened Tutor, Vampiric Tutor, Demonic Tutor, there's also Idyllic Tutor but my hot take is 3 mana tutors ain't good enough Tutors: Anointed Procession, Parallel Lives Tokens: Sphere of Safety, Timely Ward Protection: All Done
Battlemage's Bracers Equipping a creature with Battlemage's Bracers gives your strongest activations extra impact
Mana doublers are heavily sought after commodities when it comes to EDH, and Crypt GhastCrypt Ghast is no exception
Young Deathclaws's ability doesn't affect the scavenge cost of a creature's other scavenge ability