Tangle Wire (Jon Finkel) [World Championship Decks 2000] GR ensuring that Upper City residents

ensuring that Upper City residents aren't bothered by the messier parts of nature

Starting in the second round

but you might want a card that guarantees you can Summon them when you need them too

Ash Blossom & Joyous Spring

Tangle Wire (Jon Finkel) [World Championship Decks 2000] GR ensuring that Upper City residentsSet: World Championship Decks 2000 Type: Artifact Rarity: Rare Cost: {3} Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.