The deck still works w/o rat but I could make much stronger plays with it (obviously, what's wrong with a free +2?) The deck runs into a lot of problems after turn 1 however as I will obviously keep drawing things that have been used like dead Brifus, dead Terrortops, dead Orphys, dead Unexpected Dais, etc
For example, there are 501 of the first doctor, 502 of the second doctor, and so forth, all the way to the thirteenth doctor, of which there are 513 serialized copies
UR Ultra Rare Spiritual Energy Settle Machine X SPELL Continuous As long as this card remains face-up on the field, all Spirit monsters remain face-up on the field and do not return to their owners' hands during the End Phase even if they are Normal Summoned or flipped face-up
Energy Burn - As often as you like during your turn (before your attack), you may turn all Energy attached to Charizard into R for the rest of the turn
This goes to show why I dont work in game design, but also how much more powerful Modern has become over the years