Liliana, Waker of the Dead (Borderless) [Core Set 2021]

Set: Core Set 2021 Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {2}{B}{B} Clockwork Steed enters the battlefield with four +1/+0 counters on it.Clockwork Steed can't be blocked by artifact creatures.At end of combat, if Clockwork Steed attacked or blocked this combat, remove a +1/+0 counter from it.{X}, {T}: Put up to X +1/+0 counters on Clockwork Steed. This ability can't cause the total number of +1/+0 counters on Clockwork Steed to be greater than four. Activate only during your upkeep.