mtg double token cards Kithkin // Treasure Double-Sided - Lorwyn Eclipsed MTG Token Doublers That Will

If you haven't cast a spell this turn, you may cast that card

Time travel says, "For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter." So, you can put out cards like Judoon Enforcers, Star Whale, and Atraxi Warden out early

Check out the flavor text of Mystic MonasteryMystic Monastery

All it does is make a card colorless regardless of the colors that appear in its mana cost, but it should have no real bearing on your decision-making process

Put five +1/+1 counters on it

Making something a copy after it comes into play means you cant benefit from copied ETB triggers, but you also skip over any detrimental triggers