Again, it's not card advantage in and of itself (since you draw three, and then discard three + lose the Coliseum), but it combines famously with Deep Analysis and madness cards (such as Circular Logic), and its effect can't be counterspelled
How good is the modify mechanic in Standard on a budget
Then Wizards of the Coast introduced the Mythic Rare with Shards of Alara, and a new level of rarity was born
How many blue mana sources do we need in our deck with 29 mana sources if we wish to cast these spells at least 80% of the time on our second turn? (15 blue mana sources) Were building Vintage White Eldrazi and wed like to ensure that we have a two-mana spell to play in our starting hand at least 85% of the time
Thats all well and good, and probably would have been enough to get Neoform on my list by itself
Jeskai Charm deals 4 damage to target opponent or planeswalker