There are so many +1/+1 counter synergies these days that its incredibly easy to make an oppressively powerful deck with that strategy, and I personally dont like the mental energy required to keep track of all the various triggers those strategies accumulate on the battlefield
The more of these synergies in your deck, the more obnoxious this gearhulk becomes
Ob Nixilis is an example of a high-impact card
With new ACE SPEC cards and 30+ special illustrations, this sets prices have deepened 10-15% since launch, with SIRs leading as collectors chase the underground lore and meta staples
Mask of the Accursed X SPELL Equip The equipped monster cannot attack
Synchro, Xyz, and Link Monsters can be Special Summoned during your Main Phases at any time, so long as you have the material requirements listed on the card