professor burnet pokemon card TCG Celebrations Non-Holo Trainer SWSH16 – Pfaltzcraftsmore shuffle your deck Professor Burnet - SWSH12: Silver

Pokemon stamp, indicating this card's status as an exclusive version that was only distributed randomly in packs awarded to participants in the given Pokemon tournament

The scaling of it isnt great, since it costs triple white and then double X, so to get even one Angel token, youre spending five mana

And then you can also do the dreaded bounce, block, bounce and stop an attack (You turn it from an aura to a dork, block, and then tap to make it an aura before damage is dealt, and the attacker is still blocked,)

The chances of both players flipping heads on the same toss are low enough that you can assume at least some damage will be dealt

There are plenty of resources on this topic around, but none which both span the whole history of the TCG and employ a consistent methodology