Despite that effect for just 1 mana wouldnt be too strong already, the card cantrips as well by replacing itself making the player not even lose a resource of it With a resolved Veil of Summer you successfully crushed your opponent by letting him play a card, countering the effect and drawing a card of it just for a single green mana which overall feels just wrong from any perspective youre looking at it
Its the kind of acceleration that aggressive shells and decks built around the best vampire commanders use to land engines or pressure before the table is ready
Players are going to run these cards in tournaments at all levels, some by accident and some on purpose
Maze of Ith doesnt even tap for mana, but it can cause major problems for decks that need a specific creature to deal combat damage
Merchant: 1 Cr?ature: Sorcier - Creature
Prevention is better than cure, and though we cant go back in time to stop Wizards from printing certain cards, we can take that ideology into a game of Commander