The reason why this is important is that theres a card called Dragon Buster Destruction Sword which reads While this card is equipped to a monster, your opponent cannot special summon monsters from the extra deck. As you can imagine, things get unfair quickly when this card is in play
This could potentially give more mana than most firebending triggers, aside from Firebending Student, and you keep this mana through combat
Timeless decks will be Constructed and use 60 cards, like many of its sibling MTG formats
If there is no damage specified and it just causes a Burn, the default two damage counters, or 20 HP, are dealt until heads is flipped
The only difference is that Light Variation seems to have slightly bolder text Cool, both Made in the USA and 1999 I assume then
For three mana, you can return two creatures with mana value two or less from your graveyard to the battlefield