Warleader's Call doesnt have this issue since it buffs the team
Set Number 217 Language Franais Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (4/16/2021) If the opponent is an illegal target as Secret Rendezvous tries to resolve, neither player will draw cards.
2: Return target creature card with mana value 3 or less from your graveyard to the battlefield
See below the changes in each version
Ghostly Dancers also creates a 3/1 Flying token spirit whenever a Room is unlocked or an Enchantment enters the battlefield, allowing you to defend with the Spirit while having your tokens apply pressure each turn