Cancer

When Cancer enters the battlefield put 5 time counters on it and attach it to target creature.
Equipped creature gains "Each upkeep remove
1 time counter from a permanent you control,
add 1 mana of any color. This mana can only be
used for GoFundMe donations." When no
counters remain on Cancer sacrifice the creature
it is attached to. When cancer enters the graveyard
from the battlefield, return it to it the battlefield
unless any player removes {1} Hoax counter from
any permanent they contr