While this is already a handy use of two mana, whenever a dragon enters the battlefield under its owner's control, that player can deal X damage to any target where X is the number of dragons they control
If you prefer to monitor : Watch for additional reprint announcements, which could temporarily push box prices toward 7,000
You may find exactly one card, and then it will almost certainly hit the graveyard (Leyline of the Void grins)
This is determined by looking at the green dot on the back of an MTG card with magnifying technology
Buying singles is also a good way to go, as you can buy equally beautiful cards with nearly the same art as the matching cards in different regions for much less
Thraximundar feeds itself as a massive 6/6 creature with haste, and the opponent is forced to sacrifice a creature when it attacks