The sample deck lists contain these cards along with friendlier substitutes should you want to avoid them
At instant speed, your opponents will be scared to overextend into your open mana
You can identify what rarity your Lorcana card is by looking at the rarity symbol at the bottom of the card, in the centre of its border
First, you draw cards equal to the number of cards in your hand, and lose your hand size limit for as long as you control The Great Synthesis
The one downside I see is that if you randomly selected a dozen energy cards in the deck, you may very well have an infinite combo
That's fine I guess, but Ground Assault - an incredibly efficient removal spell, provided you have the lands to back it up - seems stronger to me