Sentinel Sliver [Commander Masters] Boar Beast Tap two untapped Wizards you

Tap two untapped Wizards you control: Copy target instant or sorcery spell

(Lethal damage and effects that say "destroy" don't destroy them

And the third one features cavemen tokens

Set: From the Vault: Annihilation Type: Sorcery Rarity: Mythic Cost: {X}{R} Rolling Earthquake deals X damage to each creature without horsemanship and each player

Each creature you control has "Whenever a mana ability of this creature resolves

Sentinel Sliver [Commander Masters] Boar Beast Tap two untapped Wizards youSet: Commander Masters Type: Creature Sliver Rarity: Common Cost: {1}{W} Sliver creatures you control have vigilance. Through its watchful gaze, all slivers may see.