Arcbound Prototype

At the beginning of your end step, choose one — • You gain 1 life. • Return target creature card with mana value 1 from your graveyard to the battlefield.

T, Remove X +1/+1 counters from this creature: It deals X damage to target attacking or blocking creature. Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Lifelink Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

When this Equipment enters, create a 1/1 colorless Thopter artifact creature token with flying, then attach this Equipment to it. Equipped creature gets +1/+0. Equip 2

Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.

You gain hexproof until your next turn. You gain 2 life. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard. Reinforce 1—W (W, Discard this card: Put a +1/+1 counter on target creature.)

Flash Vigilance Devour artifact 1 (As this creature enters, you may sacrifice any number of artifacts. It enters with that many +1/+1 counters on it.)