Activated abilities of lands your opponents control can't be activated unless they're mana abilities. Sharkey, Tyrant of the Shire has all activated abilities of lands your opponents control except mana abilities. Mana of any type can be spent to activate Sharkey's abilities.
{2}{G}{U}: Adapt 1. Whenever one or more +1/+1 counters are put on Sharktocrab, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Vigilance Whenever a creature enters the battlefield under your control, if its power is greater than Sharp-Eyed Rookie's power or its toughness is greater than Sharp-Eyed Rookie's toughness, put a +1/+1 counter on Sharp-Eyed Rookie and investigate.
Reach Sharpshooter Elf's power is equal to the number of creatures you control. When Sharpshooter Elf enters the battlefield, it deals damage equal to its power to target creature with flying an opponent controls.
Choose one — • Target opponent reveals their hand and discards all colorless nonland cards. • Target opponent reveals their hand and discards all multicolored cards.
Flying When Shattered Seraph enters the battlefield, you gain 3 life. {2}, Exile Shattered Seraph from your hand: Target land gains "{T}: Add {W}, {U}, or {B}" until Shattered Seraph is cast from exile. You may cast Shattered Seraph for as long as it remains exiled.
Flying When Shattered Seraph enters the battlefield, you gain 3 life. {1}, Exile Shattered Seraph from your hand: Target land gains "{T}: Add {W}, {U}, or {B}" until Shattered Seraph is cast from exile. You may cast Shattered Seraph for as long as it remains exiled.
{2}{B}, Sacrifice a creature: Each other player sacrifices a creature. {2}{R}, Sacrifice an artifact: Each other player sacrifices an artifact. {2}{G}, Sacrifice an enchantment: Each other player sacrifices an enchantment.
Kicker {2} Trample, haste If Shatterskull Charger was kicked, it enters the battlefield with a +1/+1 counter on it. At the beginning of your end step, if Shatterskull Charger doesn't have a +1/+1 counter on it, return it to its owner's hand.
"Now I know why they call it Shatterskull Pass. Rocks fell all night like hammers smashing an anvil. It's no wonder the giants are angry all the time." —Mitra, Bala Ged missionary