It is just as well he is a lot of monster for what you pay as he doesn't really fit in well anywhere, he just makes up for it in power
Tokens act the same way as other permanents, but if they are removed from the battlefield (such as being returned to their owner's hand or sent to the graveyard), they cease to exist
This ability triggers when you spend three mana of a single color towards the casting cost of a spell
Mox Jasper the latest Mox to be criticized as not good enough (Im inclined to agree), this is its place to shine
The primary strategy involves accelerating Narset onto the battlefield early (often T2-T3), granting haste, and chaining extra turn spells (e.g., Temporal Manipulation, Time Warp, Alrund's Epiphany) to repeatedly attack and exile cards
The Ur-Dragon also has a game-ending effect once it hits the board, refilling your hand and slamming more dragons into play for free