The cards that are legal in Standard change every year, so buy a newer deck if you want it to be legal for tournaments or Friday Night Magic
Key mechanics: Creature removal, hand destruction, life gain, flicker, and life loss
You cant OHKO their Charizard ex because you still only deal 300 damage at this point, and you just got Ionos to one card
P/T Number 63 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Pioneer, Standard Rulings (6/7/2024) Nonbasic lands lose any other land types and abilities they had
Time Raveler is also the most flavorful Teferi card, with loyalty abilities that relate to controlling the flow of time (and the match)
Maybe one day I'll make a list that includes a card with two separate colors of mana