Defender (This creature can't attack.)When Wall of Lost Thoughts enters, target player mills four cards. (They put the top four cards of their library into their graveyard.)
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)Whenever you cast an artifact spell, put a +1/+1 counter on Patchwork Automaton.
When Urdnan, Dromoka Warrior enters, put a +1/+1 counter on target creature.Whenever you attack, target attacking creature with a +1/+1 counter on it gains first strike until end of turn. If that creature has two or more +1/+1 counters on it, it gains double strike until end of turn instead.
Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
Choose target creature you control and target creature you don't control. If you cast this spell during your main phase, the creature you control gets +1/+1 until end of turn. Then those creatures fight each other. (Each deals damage equal to its power to the other.)
Whenever you cast a noncreature spell, choose one —• Tap target creature.• Ojutai Exemplars gains first strike and lifelink until end of turn.• Exile Ojutai Exemplars, then return it to the battlefield tapped under its owner's control.