As mentioned earlier, the best way is by casting your spells at instant speed, putting your creatures onto the battlefield without casting them, and stopping your opponents from casting multiple spells each turn
For context, a Charizard EX #199 Grade 10 could go for over $700, while a Grade 9.5 of the same card would cost about half of that (at $370)
All these for a 20% discount is a bargain you would not want to miss
Dual and tri-lands with basic land types are important to speeding this card up in your deck
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Since all of our creatures except for Hinterland Sanctifier are legendary, if we can get some counters on Aerith and then have it die (which we can do by playing a second copy thanks to the legend rule), our team will get massive, maybe big enough to win with just one attack