Cloud just brought a Buster Sword to a gunfight, and now everyone else is playing catch-up
Triggered abilities use the words "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities (such as prowess) are triggered abilities and will have "when," "whenever," or "at the beginning of" in their reminder text
2 Secret Lair Drop Market Price: $32.13 Blue does not host many Dinosaurs, as this Elder Dinosaur originally from Rivals of Ixalan is one of only six in Magics history, but what a Dino it is
That said, a clever designer can actually sneak discard-like effects into most of the other colors
This is a five-mana white enchantment that reads: If one or more creature tokens would be created under your control, that many 4/4 white Angel creature tokens with Flying and Vigilance are created instead. Basically, if you were going to make a 1/1 Goblin token, for example, you would instead make a 4/4 angel with Flying and Vigilance
Hilariously, how the card normally functions in practice is far different than how the card is actually intended to function