Serialized versions of certain Multiverse Legends cards, as well as the Praetor sagas, can be found exclusively in collector boosters
Now, the issue with Novablast Wurm is that it kills your own stuff too, but given its powerful board presence, that's an acceptable consequence of the card
Some cards enchant a creature and add a +1/+1 counter, so these are a good starting point
When Enter the Dungeon resolves, you have to physically move under the table youre playing on to play a separate game of Magic on the floor
Something that will set me up to close the game or get really far ahead of the rest of the table
You can use 4-5 colors if you want, but it requires a very carefully curated manabase