one piece card game op06 O-Nami (Parallel) OP06-101_p2 ONE PIECE PROMOS Card One Piece TCG Booster Box

: In addition to doubling your mana, whenever you cast a creature spell draw a card

That already gives Soul Transfer some versatility, something very necessary for a removal spell in Commander

You're rarely casting this for full price, but if it does stay in play, a 3/2 Menace is no joke

MTG Humans Humans offer incredible flexibility for any deck-builder

If you somehow can't discard a card (probably because you had no cards in hand and another effect prevented you from drawing cards), you won't put any counters on Cait no matter whether or not the defending player discarded a card or what that card's mana value is