You have no maximum hand size. At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game. {3}{U}: Draw a card.
Whenever a creature you control becomes blocked, you may return it to its owner’s hand. Whenever one or more creatures you control deal combat damage to a player, draw a card.
Choose one — • Counter target spell with mana value less than or equal to the number of cards in its controller’s graveyard. • Destroy target creature with mana value less than or equal to the number of cards in its controller’s graveyard.
Flying, deathtouch, lifelink Nighthawk Scavenger’s power is equal to 1 plus the number of card types among cards in your opponents’ graveyards.
Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.
Whenever a creature you control attacks, defending player loses 1 life and you gain 1 life. {3}{R/W}{R/W}: Creatures your opponents control block this turn if able, and you choose how those creatures block.
Fabricate 3 (When this creature enters, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.) Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master’s power.
Play with the top card of your library revealed. You may play lands from the top of your library. Landfall — Whenever a land you control enters, you gain 1 life.
Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. If that card has mana value 3 or less, it enters with three additional +1/+1 counters on it. Put the rest on the bottom of your library in a random order.
When Stitcher’s Supplier enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)
Flash Whenever Thieves’ Guild Enforcer or another Rogue you control enters, each opponent mills two cards. As long as an opponent has eight or more cards in their graveyard, Thieves’ Guild Enforcer gets +2/+1 and has deathtouch.
{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.