Allosaurus Rider [Duel Decks: Elves vs. Goblins] Snow Artifact Creature you may add an amount

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Set: Premium Deck Series: Slivers Type: Creature — Sliver Rarity: Common Cost: {1}{R} All Sliver creatures have haste

to whom can you pray

" —Anowon

among any of the creatures it's being blocked by or is blocking

Allosaurus Rider [Duel Decks: Elves vs. Goblins] Snow Artifact Creature you may add an amountSet: Duel Decks: Elves vs. Goblins Type: Creature Elf Warrior Rarity: Rare Cost: {5}{G}{G} You may exile two green cards from your hand rather than pay this spell's mana cost. Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control.