The legendary rule was then updated in 2004, with the release of Champions of Kamigawa, to instead destroy all copies of the card in play whenever a new one would enter the battlefield
Poison: Slow and Painful The Poison Special Condition can be positively crippling
Stasis Snare is likely to be fairly popular and there may be G/W decks with no artifacts (or perhaps Servos tokens as the only artifacts)
Source: Magic: The Gathering
If its a person you love to see play, you can pick up a lot of things from them on how to get better by watching them do their thing on their channel
Competitive EDH, or cEDH, is all about speed, consistency, and interaction, so lets break down the top staples that show up across the strongest decks in the format