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Tatyova, Benthic Druid | Illustration by Mathias Kollros A lands commander is any legal commander that has a focus on land cards

Heggen reassures me that they are thoughtful about what new Secret Lair cards are doing to strategies outside of Commander, saying we're not trying to accidentally ruin those formats by casually printing hyper-powerful cards into them. That said, the concept of mechanically unique Secret Lair cards existing at all has been a hot topic in the community regardless of power level

[3] When your opponent activates a monster effect (Quick Effect): You can return 1 other Dragon Synchro monster you control to the Extra Deck, and if you do, negate that activation

Yidris, Maelstrom Puncher-of-Faces I have played against many a Yidris deck

Then you can flip him when you control at least four Wizards like him and tokens and others too and then that creature type will double their damage