Sliver Overlord [Premium Deck Series: Slivers] Emblem Whenever you cast a Spirit

Whenever you cast a Spirit or Arcane spell

Set: Magic Player Rewards 2004 Type: Token Artifact Creature — Myr Rarity: Common

Dragons come not in packs or in herds but in storms

{T}: Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped

Set: Zendikar Type: Instant Rarity: Common Cost: {4}{G} Destroy target artifact or enchantment and up to one other target artifact or enchantment

Sliver Overlord [Premium Deck Series: Slivers] Emblem Whenever you cast a SpiritSet: Premium Deck Series: Slivers Type: Legendary Creature Sliver Mutant Rarity: Mythic Cost: {W}{U}{B}{R}{G} {3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle. {3}: Gain control of target Sliver. (This effect lasts indefinitely.) The end of evolution.