Part of this is because the video games arent as focused on individual NPCs and bosses as they are on moment-to-moment gameplay, like a Deathclaw ripping you to shreds as you load into a new area
I really like the strategy involved, however, I came up with my own workaround: Lets not even worry about untapping or attacking with Leviathan and just Fling it at the opponent
Aurelia, the Warleader had a recent reprint in Double Masters 2022 that significantly reduced this cards price
Battles were first revealed during Phyrexia: All Will Be One's spoiler season in February, when the card Atraxa, Grand Unifier had the word Battle mysteriously printed on it, indicating a new card type
This card was the linchpin of many combo strategies, but it was eventually banned in Legacy and restricted in Magic's Vintage format
If you prefer your cards to be single sleeved or unsleeved, it will hold even more