Alpine Houndmaster [Core Set 2021] OP06-059 Set: Time Spiral Type: Artifact

Set: Time Spiral Type: Artifact Rarity: Rare Cost: {2} Creatures you control are Slivers in addition to their other creature types

• Target attacking creature gets +2/+2 and gains trample until end of turn

Set: Magic Origins Prerelease Promos Type: Creature — Pegasus Rarity: Rare Cost: {2}{W} Flying

But the next morning

battle master

Alpine Houndmaster [Core Set 2021] OP06-059 Set: Time Spiral Type: ArtifactSet: Core Set 2021 Type: Creature Human Warrior Rarity: Uncommon Cost: {R}{W} When Alpine Houndmaster enters the battlefield, you may search your library for a card named Alpine Watchdog and or a card named Igneous Cur, reveal them, put them into your hand, then shuffle your library. Whenever Alpine Houndmaster attacks, it gets +X +0 until end of turn, where X is the number of other attacking creatures.