In that case, you should buy new cards after some time because they will get damaged by your fingers, dust, and any other physical contact
It looks like it's found a spot in the sideboard of the popular new Mono Black Necrodominance decks
Some foils that curve too much can be considered marked cards at the discretion of judges
The other possibility is playing Invasion of Regatha in a dedicated burn deck since the backside seems pretty powerful with Play with Fire, Lightning Strike, and friends as a weird twist on Torbran, Thane of Red Fell, although I'm not sure a burn deck wants to use multiple burn spells or attacks to remove the five defense counters to defeat the battle
In green or Gruul stompy, does it
Phyrexian Arena Rarity: Rare TYPE: Enchantment SUBTYPE: - CMC: 3 Mana cost: USD: $4.12 EUR: 3.33 TIX: 0.02 EDHREC RANK: 100 At the beginning of your upkeep, you draw a card and you lose 1 life