yugioh card dark master Millennium Pack Common or destroy all monsters you control if you roll 6. Contract with the Dark Master

The North American TCG launched in March 2002, initially through a distribution partnership with Upper Deck Entertainment, which had acquired the rights to market the game in North America in late 2001. For the better part of the decade that followed, Upper Deck and Konami jointly drove the North American market

This might be a better direction to go for mana base reasons

The kicker though, is that you can use this mana on anything, not just Eldrazi

As written, Teferis +1 forces you to untap two lands if possible

(2018-07-13) Once you cast Omniscience, if it's your turn, you'll have priority immediately after it resolves