By giving decks playing Urza's Saga access to their colored duals and mana, this card fundamentally course corrected Vintage into a different era of gameplay
This means that you will probably be drawing an extra card every single turn
Nothing feels worse than pulling the pin out of a grenade and not throwing it - although it will happen with this deck and it will make losing more fun than normal
creatures you control get +1/+0 until end of turn for each other attacking creature
Before "Dragon Lady" attacks, Vivian activates "Flying Dragon Whirl" to target her "Dragon Lady" and send four Dragon-Type monsters ("Pitch-Dark Dragon", "Blackland Fire Dragon", "Kiryu" and "Sky Dragon") from her Deck to the Graveyard in order to increase the ATK of "Dragon Lady" by 300 for each Dragon-type monster sent this way ("Dragon Lady": 1400 2600/2100)
When a creature cards activated ability tells you to choose a card from an opponents graveyard and put it onto your battlefield, for instance, that action cannot be countered, as the action itself is not a spell in MTG