Ob Nixilis of the Black Oath stands out as an excellent lifegain commander since it steadily gains life each turn, and the floor is a 5-mana 5/5 flying demon token
The changes to the cards in Neo Genesis were the first changes in the series related to the subject of gambling, followed by Nintendo of America changing the Gamblers to Gamers in FRLG like I said above
Snort Everyone loves Wheel of Fortune cards and brews to discard and draw a new hand
Sweep is absolutely riddled with problems, the most notable being that the more cards you play with sweep, the less effective they become, and it really, really hurts your tempo
If damage is prevented this way, create that many 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This token can't block." At the beginning of combat on your turn, the next time target creature would deal combat damage to one or more players this combat, prevent that damage