Doubling Cube [Tenth Edition]

Doubling Cube [Tenth Edition]Set: Tenth Edition Type: Artifact Rarity: Rare Cost: {2} {3}, {T}: Double the amount of each type of unspent mana you have. The cube's surface is pockmarked with jagged runes that seem to shift when unobserved.

As long as Goblin Glory Chaser is renowned

Set: Duels of the Planeswalkers Type: Enchantment Rarity: Rare Cost: {4}{R}{R} Creatures you control have double strike

Counter target spell if its mana value is X

Set: Portal Type: Creature — Goat Rarity: Uncommon Cost: {R} Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain

you may put a +1/+1 counter on each Plant creature you control

When wielded by a true believer

Settlements can be rebuilt

Master the sky and you rule everything beneath it

This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four

The worst part isn't the pain

put that creature on top of its owner's library

double the number of each kind of counter on any number of target permanents