If you - for any reason - are unsure about a lot please do not bid on it
Magic the Gathering cards with mutate appear almost exclusively in the Ikoria MtG set and MtG Commander decks - you can check out our guide to MtG Arena codes if you'd like to pick up some Ikoria cards and experiment with mutate in Historic or Brawl
It also synergizes with commanders that care about creatures in the graveyard, like Meren of Clan Nel Toth and Muldrotha, the Gravetide
Pioneer players are already brewing infinite loops with Nest of Scarabs and Obelisk Spider, where placing -1/-1 counters on your own insects creates more tokens and drains the opponent to death on the spot
R Rare SH Shatterfoil Evilswarm Thunderbird X DARK Level 4 [ ThunderEffect ] ATK 1650 DEF 1050 During either player's turn, when a card or effect is activated (except during the Damage Step): You can banish this card you control
The mana value of the spell remains unchanged, no matter what the total cost to cast it was and regardless of whether an alternative cost was paid
