If your deck is built around lands, like Omnath, Locus of Creation, focus on land-based ramp
Yes, Japanese Ruler of the Black Flame cards often release earlier and sometimes feature different numbering, holo patterns, or card stock quality compared to the English versions
4 Dragonwing Glider If you're familiar with the popular Goldspan Dragon, you may have drawn parallels between this artifact and the recently rotated Dragon as soon as you laid eyes on Dragonwing Glider
Furthermore, if you have access to additional mana sources, you can pay an additional one mana to create a 1/1 Merfolk token whenever you cast a Merfolk
MTG these days has too many ETB creatures and synergies with enter/leaving the battlefield
(e.g.- You may include Dive Ball in a deck that has a Partner that does not include Water in its Type Identity, but you would not be able to play the dive ball under normal circumstances because it is known that it will have no effect)