how many cards have been printed in mtg The Value of Magic: The Gathering – The Gamers Lodge How Much Would It Cost

Mana Vault Description : Mana Vault is an artifact that taps for three colourless mana, but it comes into play tapped and requires paying four mana during each upkeep or untap step, or else it deals one damage to its controller

Well, to put it into perspective, this is the only card on this list thats banned in commander

It's not too pricy or too good, it makes sense and works in a modern environment, and there will never be a place and time when we look at Triskelion and wonder how it broke a future Standard or anything

Creature - Wall Color tag templates(None) Wall of Souls Defender (This creature can't attack.) Whenever this creature is dealt combat damage, it deals that much damage to target opponent or planeswalker