For deck A, that's a 25 percent increase, and for Deck B, it's an increase of 50 percent
Put a base toughness 4 counter on target creature The effect of a base power 4 counter or base toughness 4 counter overrides any existing effects that set that creature's base power or toughness, as appropriate
If you were playing fair, there was no way you could compete with that if the deck pulled it off and many games were won simply due to a willingness to play a card this powerful, allowing such decks to win long games they would otherwise be lost in
The in and out loop of populating, sacrificing, and creating tokens and counters with Xavier bridges the gap between tons of mechanics populate, evolve, proliferate, and even delve cards see play alongside Xavier as this commander fills the graveyard with sacrificed creatures
What I discovered instead was a rewarding, feature rich game that has a healthy community, solid progression, and one hell of a new player experience