At the beginning of combat on your turn, you may discard a card. When you do, Mount Velus Manticore deals X damage to any target, where X is the number of card types the discarded card has.
Born from a stray spark that flew from Purphoros's forge.
If you do not discard a card, Mount Velus Manticore's reflexive triggered ability won't trigger.
18-06-2021
wotc
The card types that can appear on a discarded card are artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery. Legendary, basic, and snow are supertypes, not card types; Manticore and Saga are subtypes, not card types.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.