The product it was in, Champions Path, did not release with its own format, instead being added to other releases
He may seem not to care but he's prepared to give you one hell of a bad time
Im excluding most of the purely casual cards since that list would be hundreds of cards long: Mythic Rare This list isnt bad at all
I personally raise the pick priority of removal when considering a splash, but I lowered the rating of this card slightly because it is difficult to do so
The impending creature will rarely be affected by summoning sickness when the last time counter is removed, but that happens during the end step, so it'll rarely matter
If a creatures toughness is reduced to zero, it still dies, even if it has indestructible