It can also mean choosing cards that arent necessarily the strongest but can give you more options during play
Stellar Pokmon-ex, introduced in Stellar Miracle [SV7], expanded upon this concept
At the very least, all dozen or so of you playing colorless Thopter tribal with Hope of Ghirapur will now have an identity crisis thanks to a second Thoption
One of the quirks of printing and packaging meant that it was possible to open a Collector Booster that had a serialized Praetor and also had a serialized MUL card
Its also a reasonably sized blocker against things like Ragavan, Nimble Pilferer and can stop Hammertime for a turn or two thanks to reach
Grim Haruspex retains a $1.50 reprint value thanks to being decent in both Morph-themed and Aristocrat decks as a card advantage engine, while Archaeomancer can create a series of infinite combos with the right setup, despite being a 25-cent card