In this situation, some folks adopted the draft one card, get more multiples of it later in deckbuilding rule, as cards like Squadron Hawk can be interesting to build around but are useless in singleton
Underground Sea is a Land card that allows the player to add either a blue or white mana to the player's Mana Pool
Send this card to the graveyard after the opponent's turn ends[/spoiler] [spoiler Dragon artifact: fire]You can only equip this card to dragon-type monster and while Dragon staff card is on the field
However, it could always have just been an oversight when presenting the deck for the video after winding up a long day
I love Siege-Gang Commander, but its a little too expensive for Modern
You can make a giant 7/7 Construct with Urza, Lord High Artificer or with Simulacrum Synthesizer and slowly work towards your goal