(It's an artifact with ", , Sacrifice this token: You gain 3 life.") Foods you control have ": Add ." , Sacrifice this enchantment: Creatures you control get +X/+X until end of turn, where X is the number of Foods you control
Krenko, King Street Kingpin would get very silly, very quickly, as you do both parts of its ability individually, then do them again
If the spell is a permanent spell with targets, such as an Aura, you may also choose a new target for that spell
And good thing, too, because pretty much every set has dozen, sometimes hundreds of reprints
There are 8 different cards in the first releasethey can be found in each of the Starter Sets, as well as the 2-figure and 3-figure boosters
As a bonus, just having three more Zombies in the graveyard will enhance certain creatures like Diregraf Colossus, Wight of Precinct Six, and Unbreathing Horde