While delve might not end up being as powerful as these two mechanics, and especially so in Standard, Im looking into the future of two other formats that I know and love: Modern and Legacy
Training Grounds affects only creatures you control on the battlefield
Ugin's Labyrinth helps smooth out early draws by providing a quick mana boost for powerful early game interaction like Chalice of the Void, which can shut out some strategies altogether
Showcase frames return in Ikoria: Lair of Behemoths , though weve seen them on two types of cards: Planeswalker cards and creatures with the mutate ability
I'm not sure which Lifegain decks would care much about Blood tokens, but considering how easy it is to make them with this 2-drop it may be worth jamming it even if you deck doesn't have much synergy with them
Alright, so we want to split red and white