While a lot of the most memorable cards from 1998 are locked behind the Reserved List, Smokestack is a card that has gone on to have a huge impact on high-level Magic play as a cornerstone of some punishing and oppressive decks in both Legacy and Vintage
These are the ones that I think will have the most impact on Commander
Artifact Creature: Roaming ThroneRoaming Throne, 209198 Inclusions Artifact Land: Great FurnaceGreat Furnace, 130278 Enchantment Creature: Purphoros, God of the ForgePurphoros, God of the Forge, 103014 Enchantment Artifact: Bow of NyleaBow of Nylea, 41826 Kindred Enchantment: LignifyLignify, 35613 Kindred Sorcery: Notorious ThrongNotorious Throng, 23788 Kindred Instant: Eldritch ImmunityEldritch Immunity, 14278 Instant Sorcery: Incubation // IncongruityIncubation // Incongruity, 8724 Kindred Artifact: Idol of False GodsIdol of False Gods, 7302 I've been trying to stay away from "this card is generically good" type-stuff in this list
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There's never a moment when creatures will have their abilities on the battlefield, so it even beats creatures with powerful enters-the-battlefield abilities