Zacian V Galarian Gallery There are so many gorgeous cards in the Crown Zenith Galarian Gallery subset that we could have listed about 10 more
Meanwhile, the Frostpyre is an extremely handy example of a card you normally couldnt maindeck (Pyroclasm), which might now be available to bail you out against aggro in Game 1
I cannot stress this enough: most people dont care about condition, so taking any kind of discount for your played cards is often leaving money on the table
Lozhan, Dragons' Legacy gives you a few options of how to trigger its ability, allowing you to mix adventure with dragons to make a two-themed deck out of the card types
Fangkeeper's Familiar Fangkeeper's Familiar looks like a strictly better Mystic Snake to me
For example, if two creatures you control with lifelink deal combat damage at the same time, Leyline of Hope's second ability will apply to those two events separately