Poison counters used to be a big boogeyman in 60-card formats
Anytime an opponent does practically anything twice, from attacking with two creatures to drawing a second card, you get to draw a card as well
How could it happen that one deck is worth so much more than the rest
Derelict Attic // Widow's Walk Who in the world requested a nerfed version of Night's Whisper or Sign in Blood
Creature Artifact - Myr Phyrexian Color tag templates(None) Phyrexian Crusader First strike, protection from red and from white Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Creature - Knight Zombie Phyrexian Color tag templates(None) Plague Stinger Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Creature - Horror Insect Phyrexian Color tag templates(None) Reaper of Sheoldred Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever a source deals damage to this creature, that source's controller gets a poison counter
Combo decks and casual builds often show up in Commander, because you have a wide range of powerful spells, artifact cards, and ramp spells to experiment with