This fits into a lot of blue decks by letting your opponent make the first move and coming back with a nice retort
It has had quite a major impact on Modern and Legacy, giving typal decks a big advantage against Counterspells
His ceiling is high, but sequencing errors carry consequences, especially in pods that recognize his threat level
Most decks will function well on a mix of land-based and mana-dork-based ramp, but some decks can benefit from other card choices: If your decks strategy synergizes with small creatures, consider playing more mana dorks
Finale of Revelation is a good card, but we already have Hydroid Krasis for X-based card draw, even if it's half of X, and we could really use more answers
Depending on the colour, ramping can be pretty tough, which makes the colourless Sword of the Animist so appealing