Commander
Love lost, such a cost. Give me things that don't get lost. Like a coin that won't get tossed. Rolling home to you. Old man, take a look at my life, I'm a lot like you.
35% of the deck
Everything that is not a land
Non-land cards
Non-land cards in the deck. Everything at 7 or more shares the last column.
Coloured symbols in the costs of non-land cards. A hybrid counts for both of its colours, because either one can pay it.