digimon card game shinegreymon [BT12-043] (2023 Regionals Champion) [Across Time] ShineGreymon (BT13-018) - DigimonCard

This is only one mana, meaning that creating small combos with this card, like the ones listed, are very cost efficient

Surprisingly, if you can Special Summon 5 Moke Moke from the Graveyard with the King's effect after this effect is applied, you'll have 15,000 ATK ready in an instant

Infernoble Knight Oliver effect, send Sublime Knight Expaladin from hand to graveyard as cost, Special Summon itself from hand

Given enough monsters to attack and Status Buffs from cards like Blue Cat and Purple Butterfly or Crimson Fox, One-Turn Kills tend to ensue

If there is even a slight mismatch, it is safer not to buy based on assumptions