mtg card count How Cards Use Numbers You may reveal that card and put it into your hand Baron Von Count [Unstable] -

Its one of the formative lessons of being a Magic player

You can cast commanders, foretell cards, or suspended cards and it will work, as will proliferate effects or +1/+1 counter synergies

Kruphix's Insight You need a very high enchantment count to make Kruphix's Insight playable, but decks that meet the threshold receive a powerful draw/self-mill card

Getting around the finality counter is harder, but there are certainly ways to do it

Cyclopean Snare just taps a creature, both Puppet Strings and Icy Manipulators have better taps for less than 3 mana (one can untap creatures, the other can tap down non-creatures as well)