mtg do level up cards start level 1 What's Wrong with Up? Magic: The Gathering Explained draw a card Level Up Enchantment : r/mtg

You can only tap it for mana while removing component counters, but once the deck gets going, this card is more of an excuse to roll a d20 than a mana source

The unique wordings associated with older poison cards versus newer infect cards determines the answer to this question: Poisonous creatures kill you with normal damage before the poison trigger has a chance to resolve while infect creatures dont

His enter the battlefield ability will net you at least one extra card, possibly more if you're playing with a higher mana curve

Druid of the Cowl is also decent

It can also be a good tool in decks that turn other permanents into artifacts using cards like Liquimetal Torque