Flying At the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay {G}{W}{U}. Each untapped creature you control gets +0/+2 as long as it's not attacking. {W}: Arcades Sabboth gets +0/+1 until end of turn.
Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.
Flying At the beginning of your upkeep, sacrifice Vaevictis Asmadi unless you pay {B}{R}{G}. {B}: Vaevictis Asmadi gets +1/+0 until end of turn. {R}: Vaevictis Asmadi gets +1/+0 until end of turn. {G}: Vaevictis Asmadi gets +1/+0 until end of turn.