Keyword: Alliance

Whenever another creature you control enters, this creature gains deathtouch until end of turn. If this is the second time this ability has resolved this turn, all creatures you control gain deathtouch until end of turn.

Trample, haste
Alliance — Whenever another creature you control enters, double Devilish Valet’s power until end of turn.

Alliance — Whenever another creature you control enters, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay . When you do, Rose Room Treasurer deals X damage to any target.

Boss’s Chauffeur enters with a number of +1/+1 counters on it equal to one plus the number of other creatures you control.
Alliance — Whenever another creature you control enters, put a +1/+1 counter on Boss’s Chauffeur.
When Boss’s Chauffeur dies, create a 1/1 green and white Citizen creature token for each +1/+1 counter on it.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.