MenaceWhen Siegfried enters, mill three cards. Then put X +1/+1 counters on Siegfried, where X is twice the number of creature cards in your graveyard.
Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for .)
Exile each opponent's graveyard. When you do, choose up to one target creature card exiled this way. Create a token that's a copy of that card, except it's an artifact and it loses all other card types.
LifelinkWhenever another creature you control enters, put a +1/+1 counter on that creature if its power is less than Shelinda's power. Otherwise, put a +1/+1 counter on Shelinda.
FlyingWhenever this creature deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
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.
Return target creature card from your graveyard to the battlefield, then return up to two target Aura and/or Equipment cards from your graveyard to the battlefield attached to that creature. (If the Auras can't enchant that creature, they remain in your graveyard.)
When this artifact enters, support X. (Put a +1/+1 counter on each of up to X target creatures.)Go for the Goal! — ,: Until end of turn, target creature gains "Whenever this creature deals combat damage to a player, draw a card for each kind of counter on it" and it can't be blocked this turn.