(2022-10-14) When cast as a prototyped spell, that spell has the mana cost, power, and toughness characteristics shown in its colored, secondary text box rather than the normal values of those characteristics
If "Nibiru, the Primal Being" is in your hand, it now displays a counter that tracks how many Summons your opponent has performed in a turn
R Rare Crystron Quandax X WATER Level 4 [ MachineSynchroTunerEffect ] ATK 1800 DEF 2000 1 Tuner + 1+ non-Tuner monsters Once per Chain, during your opponent's Main or Battle Phase, you can (Quick Effect): Immediately after this effect resolves, Synchro Summon 1 Synchro Monster, using materials including this card you control
These are central to the mana bases of most formats that include them and are overall well-balanced and fun
During your Main Phase, if you Normal or Special Summon an Ancient Warriors monster(s) you can target 1 of them and add an Ancient Warriors monster with a different name from Deck to hand
While Valve largely accepts this, other games that have tried to combat this have failed