Subira, Tulzidi Caravanner (Promo Pack) [Core Set 2021 Promos] Ixalan Treasure Chest so why should I

so why should I

Set: Time Spiral Type: Creature — Sliver Rarity: Uncommon Cost: {1}{W} All Slivers have "{T}: This permanent deals 1 damage to target attacking or blocking creature

Set: Scars of Mirrodin Type: Artifact Creature — Myr Construct Rarity: Rare Cost: {7} When Myr Battlesphere enters the battlefield

An opponent chooses a creature card from among them

Set: Ninth Edition Type: Creature — Human Cleric Rarity: Common Cost: {1}{W} {T}: Prevent the next 1 damage that would be dealt to any target this turn

Subira, Tulzidi Caravanner (Promo Pack) [Core Set 2021 Promos] Ixalan Treasure Chest so why should ISet: Core Set 2021 Promos Type: Legendary Creature Human Shaman Rarity: Rare Cost: {2}{R} Haste {1}: Another target creature with power 2 or less can't be blocked this turn. {1}{R}, {T}, Discard your hand: Until end of turn, whenever a creature you control with power 2 or less deals combat damage to a player, draw a card.