Delve (Each card you exile from your graveyard while casting this spell pays for .)Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.
: Add , , or .Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)When Rattleclaw Mystic is turned face up, add .
Target opponent exiles the top X cards of their library. You may cast any number of spells with mana value X or less from among them without paying their mana costs.
Crater's Claws deals X damage to any target.Ferocious — Crater's Claws deals X plus 2 damage instead if you control a creature with power 4 or greater.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)When Master of Pearls is turned face up, creatures you control get +2/+2 until end of turn.
Equipped creature has defender and ", : Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power."Equip
DeathtouchFerocious — Whenever Heir of the Wilds attacks, if you control a creature with power 4 or greater, Heir of the Wilds gets +1/+1 until end of turn.