Theyre a new kind of counter that help make some Phyrexian mechanisms stronger, and there are cards that help manipulate the number of them or where they are
If Havi loses indestructible (probably because one or more historic cards in your graveyard left your graveyard) after having been dealt lethal damage earlier in the turn, it will die
Other cards have been introduced to Magic: The Gathering that reference the impact of the crystals, including 'The Crystal's Chosen,' which creates four 1/1 Hero tokens before powering up all the creatures on the player's board
Sure, some of them are better than others, but they have been relatively balanced (especially over the past few years)
Same as Spinneret and Spiderling, youre probably not doing the spider thing here, and similar to Sun-Spider, Nimble Webber, Im assuming youre on some sort of combo deck and playing this for counterspell protection
( can be paid with either or 2 life.) Legendary Creature - Horror Phyrexian Ojer Taq, Deepest Foundation Vigilance If one or more creature tokens would be created under your control, three times that many of those tokens are created instead