Id play this if I knew Id regularly play against Firesong and Sunspeaker and similar decks
For example, you can't use Muldrotha to play a land if you don't have an available land play or to cast a planeswalker spell during your end step
In the mid 90s he returned to prose, his first love, and began work on his epic fantasy series, A Song of Ice and Fire
If your opponent has a total of 9 toughness on the field, you can gain 20 lore in one turn
The main effect of Ochran Assassin is forcing all of your opponent's creatures to block it, allowing all of your other creatures to deal as much combat damage as possible
Urza does a ton, creating a creature token, generating mana, and giving you free cards which is just incredible