When declaring blockers, you just have to be aware that a creature with first strike will deal combat damage before a creature without first strike
You still have to follow all timing restrictions, just like if the card were in your hand
Modern Horizons cards making an appearance in this strategy are Sterling Grove, Enchantresss Presence, Solitary Confinement, Sythis, Harvests Hand and Sanctum Weaver, making this archetype the one that gained the most amount of cards in the format
Making effective use of discard spells means sequencing and timing your strikes to leverage that information advantage
The Potion and Erika are used to keep Venusaur EX healthy during the battle
Sure, they can be fun, but you absolutely will spend more money than you want and you almost definitely wont get that chase card youre after