Ironically, that tarnish comes by way of the Golden Chocobo card
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
This ability triggers when you spend three mana of a single color towards the casting cost of a spell
One of the most important strategic plans for the current Standard is staying ahead on the board
Plug your list into the MTG Deck Analyzer to tune the curve, browse community lists on the public decks page, or let the AI deck builder draft a rat shell for you in seconds