official card sleeve limited edition vol 2 One Piece Sleeves Vol.4 (Donquixote Doflamingo) The One Piece Card Game Official Card Sleeve Limited Edition

If only we had more options to deal with indestructible creatures for 2 mana in blue

If you really want to go all in on restrictions, Urtet, Remanat of Memnarch and Avatar Aang are only going to get some beginning support from sets and maybe sporadic or never again support

UR Ultra Rare Eria the Water Channeler X WATER Level 5 [ SpellcasterEffect ] ATK 1850 DEF 1500 (This card is always treated as a "Charmer" card.) You can discard this card and 1 other WATER monster

Since youre already entombing cards, you can take the next step with Reanimate or Living Death

It also can tribute any monsters on the field, gaining effects based on how many it tributed