Cream of the Crop [Morningtide] Kaladesh Prerelease Promos you may sacrifice an artifact

you may sacrifice an artifact

Ignore this effect for each creature the player didn't control continuously since the beginning of the turn

If you sacrifice an Island this way

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {4}{G} Horsemanship (This creature can't be blocked except by creatures with horsemanship

before leading an army against the Shu

Cream of the Crop [Morningtide] Kaladesh Prerelease Promos you may sacrifice an artifactSet: Morningtide Type: Enchantment Rarity: Rare Cost: {1}{G} Whenever a creature enters the battlefield under your control, you may look at the top X cards of your library, where X is that creature's power. If you do, put one of those cards on top of your library and the rest on the bottom of your library in any order.