Kheru Goldkeeper ( R ) - Getting treasure whenever you remove something from your graveyard feels fine for a 3 mana 3/3, especialyl as it itself has an ability when it's in your graveyard
Most of the time we arent so lucky as to find both parts of this one-two combo on the same card, but the general principle of using our synergies to indirectly break mana-producing effects is one you can go pretty deep on
From here, we need to fiddle with numbers to see what the exact number of successes would be
Final-Word Phantasm Anyone who has had the opportunity to play with their entire deck at instant speed know just how powerful an effect of a card like Final-Word Phantasm can be
If you are dead set on playing the Advisors, Solitary Confinement plus a suitable number of cards in your hand can hold down the fort until you hit your magic number of five
And The Rest After going pretty deep on explaining mana and tutors, the rest of the checklist is pretty straightforward: is important to refill your hand, out-grind your opponents, and smooth out your gameplay