The hardest part is keeping the black enchantment alive until your upkeep and not spending those treasures along the way
Echo's ability targets an activated or triggered ability that is on the stack and creates one or more additional instances of that ability on the stack
Questing Druid Questing Druids adventure effectively draws three for 1R, even though one of them is Quirion Dryada relatively under-statted creature by 2023 standards, but still fine
Heres an example of the kind of deck that got Mind Twist banned: Creatures (2) Lands (21) Spells (37) 4 Mana Drain 2 Counterspell 4 Swords to Plowshares 1 Sol Ring 1 Regrowth 1 Mind Twist 1 Demonic Tutor 1 Braingeyser 1 Time Walk 1 Ancestral Recall 2 Red Elemental Blast 1 Jayemdae Tome 2 Disrupting Scepter 4 Disenchant 1 Recall 2 Moat 1 Mirror Universe 1 Timetwister 1 Black Lotus 1 Mox Emerald 1 Mox Jet 1 Mox Pearl 1 Mox Ruby 1 Mox Sapphire Thats right, one of the most famous, most influential decks of all-time, The Deck, was a Mind Twist deck until Mind Twist was banned
Its weaknesses lie in being mana hungry, being in pretty mid colors (lacking good tutors), and having a below-average early game