If another card with the same name is in play, you cant play this card
Every time an artifact enters under your controlincluding things like Mishra's Bauble or tokensit gets a +1/+1 counter and becomes unblockable for the turn
If you've already completed the tutorials, you'll see a screen like this one (if you've just created your Magic: Arena account, youll also see the option to Skip the Tutorial at the top): Most of the options in this menu take you to Wizards of the Coast's webpage in particular, your Account Preferences take you to WotC's site , which requires you to log in (with the same email and password that you log into the game) and then takes you to the screen shown below, where you can edit a couple of profile details: To change your email will require a support ticket
The same goes for if they gain life on their turn too
Alternatively, Ramp Commanders like Aesi, Tyrant of Gyre Strait and Hearthhull, the Worldseed can get Horn of Plenty out early, and draw lots of cards with it
The cards dramatic illustration depicts Lugia rising from the ocean in a storm, with a fisherman and boat adding cinematic flair to the artwork