mtg toxic cards Contaminant Grafter - Creature - ancient Phyrexian monstrosities shamble endlessly Standard Dimir Toxic Control Deck

Also there are cards that have different font used (Candelabra of Tawnos, Tarmogoyf MM) or different spacing and leading (Flooded Strand) which should give away the cards at first glance

We're talking the 4th Edition, Ice Age, Visions, Stronghold, Exodus, Weatherlight, and Nemesis editions

Your other Vehicles might make the multiple-Vehicle issue come up, but theres no way you have to crew multiple Flagships at once

It only modulates damage dealt to your opponents, not their permanents, but thats plenty

All told, the sorcery speed of this card probably holds it back more than the potential for it to be dealt with and the consequential aversion to targetting EtB effect creatures with it

If you dont cast it, put it into your hand. Basically, as long as you use instant speed spells, you can constantly generate value by drawing cards or casting stuff for free, and thats really very hard to beat when youre also messing up everyone elses fun at the same time