battle partners korean booster box Pack What's Inside a Korean Battle

Both apply continuous advantages to the players who has them, both apply to one and only one player, and both have very narrow interaction with other cards, only ones that explicitly mention them

Palinchron Rarity: Rare TYPE: Creature SUBTYPE: Illusion CMC: 7 Mana cost: USD: $0.00 EUR: 0.00 TIX: 0.08 EDHREC RANK: 7560 (4/5) Flying When this creature enters, untap up to seven lands

Some rare-rarity cards only exist in reverse-holo and holo versions, others only exist in standard and reverse-holo

The reminder text is the important part, which is that no damage is dealt in that challenge. Willpower totals do not protect the target, because there is no damage to soak

As a deck-building game, the fundamental axis of the game are the Cards