pillars of strength one piece booster box TCG [OP-03] Blister Pack (English) – Card Piece Each Booster Pack contains 6 cards One Piece Card Game -

When you control your Commander, your spells cast that share a creature type with it draw a card

Card Set(s) -Two Legends- [OP-08] CARD VIEW OP08-035 | C | CHARACTER BB Attribute Strike Block Icon 2 Card Set(s) -Two Legends- [OP-08] CARD VIEW OP08-036 | R | EVENT Electrical Luna Block Icon 2 Effect [Main] All of your opponent's rested Characters with a cost of 7 or less will not become active in your opponent's next Refresh Phase

Its a great card, and often most effective, but I dont believe this line of thinking is correct as often as we think it is

Especially if you can pair it with Urborg, Tomb of Yawgmoth, which makes all your lands swamps

She provides card advantage

The artist for that drop, Jon Vermilyea, also provided the illustration here