japanese godzilla cards mtg Collecting Magic the Gathering from Ikoria set Whenever this creature mutates Knew I just had to

Within the set are a lot of cards that bring an aura token along with them for free

There are a few fringe scenarios where you might want to intentionally cast a second legend after attacking with the first copy, just in case you need the blocker

this could be from cards like Toothy, Imaginary Friend and Kianne, Corrupted Memory that grow whenever you draw cards or from those like Psychosis Crawler and Tishana, Voice of Thunder whose power and toughness are equal to the number of cards in your hand

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So, no you cant convoke and sac creatures for mana to pay for this