mtg cards that trigger abilities twice While it doesn't double its own triggers like Katara mtg cards that double activated

Ten gates were released with that Magic set, one for each of the 10 Ravnican guilds (Izzet Guildgate, Orzhov Guildgate, and Simic Guildgate, and so on for each color pair), each of which enters the battlefield tapped and taps for 1 mana of either of the guild's colors

From a flavor standpoint, I also think this is very fun because it essentially allows you to imagine the Ents droning on and on endlessly until one of your opponents gets so frustrated they destroy one of the two pieces of this interaction

But then there's Mana Drain, easily the set's best card

For a long time Mana Crypt was legal in Commander, but as of September 23, 2024, it is banned in Commander, so we live, learn, and buy Double Masters packs hoping to open one for our Vintage deck