Jace, Arcane Strategist
{4}{U}{U}
Legendary Planeswalker -- Jace
4
Whenever you draw your second card each turn, put a +1/+1 counter on target creature you control.
[+1]: Draw a card.
[-7]: Creatures you control can't be blocked this turn.
Keeper of Keys
{3}{U}{U}
Creature -- Human Rogue Mutant
4/4
When ~this~ enters, you become the monarch.
At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn.
Tezzeret's Gatebreaker
{4}
Artifact
When ~this~ enters, look at the top five cards of your library. You may reveal a blue or artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
{5}{U}, {T}, Sacrifice ~this~: Creatures you control can't be blocked this turn.