That problem was addressed with the release of morph creatures, and the Onslaught rules specified that you had to reveal any face-down creatures with the morph ability at the end of the game
Thanks to Lurrus of the Dream Den, you can cast all of your spells, use Lion's Eye Diamond to make three mana, use that mana to cast Lurrus of the Dream Den as your companion, and immediately recast Lion's Eye Diamond thanks to Lurrus's static ability, which means the floor of Lurrus in a deck like ANT is upping the storm count by two, which is probably enough for Lurrus to steal a sideboard slot all by itself
5 - Good things that don't quite make it into the cube (B cube) 4 - Good things that don't really have a home despite offering decent power 3- narrow archetypal stuff that is of the right power level but not nearly often enough (C cube) 2- shouldn't see play but has unique aspects or an obvious home in a presently weak deck 1- unlikely to ever see play but has a glimmer of potential 0 - no place in any form of cube Hixus, Prison Warden - 4 Sunblast Angel in a cheaper more interesting form
CGB Decks & Video Guides viewtopic.php?f=48&t=30357 HQ AI-Enhanced Card Pictures viewtopic.php?f=15&t=31289 HQ AI-Enhanced Card Pictures viewtopic.php?f=15&t=31289 Re: HQ Pictures for Forge by necxelos 01 Jun 2022, 19:27 Wouldn't go as far as "without any artifacts"
Fun fact: If you reanimate Golgari Grave-Troll directly from your graveyard, it counts itself as one of the creatures in your yard for the purposes of determining its +1/+1 counters