Hooded Hydra Although somewhat inefficient for Constructed, Hooded Hydra is nice if you have a lot of mana
Despite years of Commander player pleading for better card draw in White, Wizards of the Coast has stubbornly refused to do so, with Mark Rosewater straight up telling us over and over that White is supposed to be bad at drawing cards
Dragging to the centre adds the panel as a tab
Prioritize cards that fit your deck's theme - blink, sacrifice, graveyard - over generically good spells
Evolution Sage proliferates every time a land enters the battlefield under your control, turning your regular land drops into more value and infusing ramp spells with bonus effects
After all, one deck might look perfect on paper, but the real test is how it handles in play