doppelganger yugioh card Crossroads of Chaos Single Common CSOC-EN070 Yu-Gi-Oh! Card Doppelganger the Mimetic

This is especially good because they both get way better the more of them are in play though you do have to choose to go with one or the other to maximize their potential

How A Fire Deck Can Counter A Water Deck It would be a good idea to have a few Fire-type Pokemon that take neutral damage to Water-type attacks, like Talonflame from the Darkness Ablaze expansion (it is instead weak to Lightning-type attacks)

So, choose your attack points wisely

C Common Effect Veiler X LIGHT Level 1 [ SpellcasterTunerEffect ] ATK 0 DEF 0 During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls