That's not true of MTG Modern Horizons sets, however, which feature reprints and brand-new cards being made specifically to enter the Modern format (and beyond, into Legacy and sometimes Vintage)
First and foremost, the market for these cards is still very young
Its enter-the-battlefield effect to deal five damage to a creature directly feeds into the other effect relating to excess damage
I've successfully won games by pairing Urtet with All Will Be One, a Red enchantment that pushes out damage when you put counters on permanents or players
If youre new and feel intimidated by not knowing the most powerful cards, just go with your gut and pick the cards or abilities that appeal to you - even if thats just choosing your favourite Disney characters
Though she has a cost of 7 Ink, Clarabelle is a Floodborn character, which means that she has the Shift keyword, allowing her to be played directly on top of another Clarabelle card, for a reduced cost (in a manner reminiscent of how evolving works in Pokemon)