mtg cards that make your opponent draw Trade Secrets - Onslaught #118 (English) o:"an opponent draws a card"

and Abaddon the Despoiler

At the end of your turn, an opponent of your choice loses life equal to the life theyve already lost

She gains a loyalty counter to create a 1/1 creature token (which automatically becomes two), she adds a +1/+1 counter on all of your creatures AND gives them flying until your next turn (all for free), or she can sacrifice three loyalty counters to destroy a target creature of mana value three or greater

Or, pay a blue, tap, and sacrifice it when a library has 20 or fewer cards to play the removed card without paying its mana cost

Decks draw extra cards so they can actually do something, and when a deck is built around extra draw with Wizards, players must ask: "What's the win condition?" There are a few answers to try, including intentional self-decking or "you win the game" effects