FlyingWhenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.
Hive Mind — Whenever a player mills one or more creature cards, you create a 1/1 black Horror creature token., : Target player mills three cards.Choose a Background (You can have a Background as a second commander.)
Horrors you control have menace.Whenever a Horror you control deals combat damage to a player, that player mills that many cards.At the beginning of your end step, choose target artifact or creature card in an opponent's graveyard that was put there from their library this turn. Put it onto the battlefield under your control.
FlyingWhenever Ancient Brass Dragon deals combat damage to a player, roll a d20. When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result.
FlyingWhenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.
FlyingWhenever Ancient Gold Dragon deals combat damage to a player, roll a d20. You create a number of 1/1 blue Faerie Dragon creature tokens with flying equal to the result.