one piece tcg 3d2y starter deck st 14 Piece: (ST-14) 5000 Subtype(s) STARTER DECK -3D2Y- − PRODUCTS｜ONE

Control decks benefit from characters with high Willpower stats and board-affecting abilities

Teferi Akosa of Zhalfir Teferi, Hero of Dominaria Teferi, Master of Time Teferi, Temporal Archmage Teferi, Temporal Pilgrim Teferi, Time Raveler Teferi, Timebender Teferi, Timeless Voyager Teferi, Who Slows the Sunset

-The creature deals the damage, not the spell

No, you can only delve a number of cards equal to the maximum amount of generic mana needed to cast a spell

That said, context changes the answer to this question

Lightning Greaves is one of the oldest, yet most useful artifacts for a commander to wear and it's been reprinted many times since it's debut in Mirrodin